Mozilla Supports Web Open Font Format

Updated 5 hours, 52 minutes ago

Source: http://blog.mozilla.com/

Today, Mozilla is excited to join the organizations listed below to endorse the Web Open Font Format (WOFF) specification.  We are also implementing this specification in  Firefox 3.6 and beyond.

The official endoresement and supporting organizations can be found below.  Hacks.mozilla.org also has a full post about WOFF implementation for Firefox 3.6 and beyond.

We endorse the WOFF specification, with default same-origin loading restrictions, as a Web font format, and expect to ...

  • 222 comments on this story
PRO

50% positive

Showing 100 relevant reactions out of 105.

sheltergd 5 hours, 53 minutes ago on Twitter

@terkel 度々ご親切にどうもです。Mozilla Woffのページでこんなページがありましたもので今日一日情報収集しておりました。http://bit.ly/14s7Ud 仰る通りライセンス範囲を調べるのが大変そうです。なにしろ英語力に自信ないもので…

Reply

sheltergd 14 hours, 37 minutes ago on Twitter

Mozillaのページみると、欧文の主要ファンダリーのフォントはWOFFでの使用大丈夫なのかな? http://bit.ly/14s7Ud 訳文じゃよくわからない…

Reply

Firefox 3.6 Beta | Ryan Price and the Media 2 months, 2 weeks ago on Wordpress

[...] This morning I grabbed Firefox 3.6 Beta 3 (download), and it’s got some interesting fun features. First of all, HTML 5 Videos can go full-screen. This is a big step towards in-browser video. Another huge improvement is support for CSS3 fonts, particularly the new WOFF format. [...]

Reply

Nothing Blog : Webdesigner, freut euch auf WOFF! 2 months, 3 weeks ago on Wordpress

[...] dass die Weiterentwicklung inzwischen gemeinsam mit Mozilla stattfindet und dass bereits viele namhafte Schriftanbietern Unterstützung liefern, auch Adobe wird auf einer inoffiziellen Liste aufgeführt. Sogar [...]

Reply

Sex, lies, & type | i love typography, the typography and fonts blog 2 months, 4 weeks ago on Wordpress

[...] FontShop’s Flickr stream.Web fonts newsLots to report. In addition to growing support for the new Web Open Font Format (WOFF) specification, there’s this wonderfully exciting taste of what the future holds, and how browsers [...]

Reply

Zweite Beta von Firefox 3.6 (NAMOROKA) erschienen « Roman Brauner's Blog 3 months ago on Wordpress

[...] WOFF-Schriften zusammen mit Truetype- und Opentype-Fonts in Webseiten eingebettet werden. Nach Angaben der Entwickler unterstützen namhafte Schriftenanbieter wie ITC-Fonts, Linotype und Monotype Imaging das Format. [...]

Reply

Webfonts Week: An Interview with Simon Daniels of Microsoft | The FontFeed 3 months ago on Wordpress

[...] Webfonts Week continues as we chat with a guy who has been instru­mental in Microsoft’s focus on screen typog­raphy since 1995. Si Daniels was there for the devel­opment of Microsoft’s Core fonts for the Web, the EOT format, and the ClearType technology and fonts. We talk about where he sees Web typog­raphy headed and I ask the question that’s on the mind of everyone with a stake in Web embed­dable ... See all content

Reply

Web Open Font Format Will Change Web Design – Max Kiesler - Designer 3 months ago on Wordpress

[...] The result of the collaboration is called Web Open Font Format (WOFF), and it has the backing of a wide array of type designers and type foundries. Mozilla will also include support for it in Firefox [...]

Reply

字体数字化简史与 WOFF | Type is Beautiful 3 months ago on Wordpress

[...] WOFF 的行列中来[9],十月二十日,Mozilla 也正式宣布对 WOFF 的支持,并且详细解释了 WOFF [...]

Reply

Firefox » Mozilla внедрит в Firefox поддержку формата Web Open Font Format (WOFF) 3 months ago on Wordpress

[...] Mozilla приняли решение внедрить поддержку формата Web Open Font Format (WOFF) в [...]

Reply

ArticleSave :: Uncategorized :: Weekly Wrapup: Mega Content Sites, Gen Y on Twitter, iPhone App Recommendation Services, And More… 3 months ago on Wordpress

[...] across the web and to be readable by both humans and search engines. With support from Mozilla announced with the release of Firefox 3.6, the question of web fonts might be satisfactorily resolved in the [...]

Reply

Ly Technology » Weekly Wrapup: Mega Content Sites, Gen Y on Twitter, iPhone App Recommendation Services, And More… 3 months ago on Wordpress

[...] across the web and to be readable by both humans and search engines. With support from Mozilla announced with the release of Firefox 3.6, the question of web fonts might be satisfactorily resolved in the [...]

Reply

Weekly Wrapup: Mega Content Sites, Gen Y on Twitter, iPhone App Recommendation Services, And More… | TechTerminal 3 months ago on Wordpress

[...] across the web and to be readable by both humans and search engines. With support from Mozilla announced with the release of Firefox 3.6, the question of web fonts might be satisfactorily resolved in the [...]

Reply

Weekly Wrapup: Mega Content Sites, Gen Y on Twitter, iPhone App Recommendation Services, And More… | Search-Internet Marketing 3 months ago on Wordpress

[...] across the web and to be readable by both humans and search engines. With support from Mozilla announced with the release of Firefox 3.6, the question of web fonts might be satisfactorily resolved in the [...]

Reply

Weekly Wrapup: Mega Content Sites, Gen Y on Twitter, iPhone App Recommendation Services, And More… | Newsfed - Aggregate local and tech stories with related videos and tweets! 3 months ago on Wordpress

[...] across the web and to be readable by both humans and search engines. With support from Mozilla announced with the release of Firefox 3.6, the question of web fonts might be satisfactorily resolved in the [...]

Reply

Tech News Geek » Weekly Wrapup: Mega Content Sites, Gen Y on Twitter, iPhone App Recommendation Services, And More… 3 months ago on Wordpress

[...] across the web and to be readable by both humans and search engines. With support from Mozilla announced with the release of Firefox 3.6, the question of web fonts might be satisfactorily resolved in the [...]

Reply

Weekly Wrapup: Mega Content Sites, Gen Y on Twitter, iPhone App Recommendation Services, And More… 3 months ago on Wordpress

[...] across the web and to be readable by both humans and search engines. With support from Mozilla announced with the release of Firefox 3.6, the question of web fonts might be satisfactorily resolved in the [...]

Reply

Weekly Wrapup: Mega Content Sites, Gen Y on Twitter, iPhone App Recommendation Services, And More… : ajaxremix 3 months ago on Wordpress

[...] across the web and to be readable by both humans and search engines. With support from Mozilla announced with the release of Firefox 3.6, the question of web fonts might be satisfactorily resolved in the [...]

Reply

Weekly Wrapup: Mega Content Sites, Gen Y on Twitter, iPhone App Recommendation Services, And More… | UpOff.com 3 months ago on Wordpress

[...] across the web and to be readable by both humans and search engines. With support from Mozilla announced with the release of Firefox 3.6, the question of web fonts might be satisfactorily resolved in the [...]

Reply

Linux Coders : A Web Open Font Format is being backed by Mozilla 3 months ago on Wordpress

[...] The result of the collaboration is called Web Open Font Format (WOFF), and it has the backing of a wide array of type designers and type foundries. Mozilla will also include support for it in Firefox 3.6.” – From [...]

Reply

tech: Thanks to Mozilla, Web Gets Less Ugly, Good Type Gets Machine Readable | tech3bite 3 months, 1 week ago on Wordpress

[...] support from Mozilla announced with the release of Firefox 3.6, and with the advocacy of leading type foundries such as Linotype, [...]

Reply

matdodgson 3 months, 1 week ago on Twitter

Now this is cool: http://bit.ly/ClIyl

Reply

kool-gadgets.com » Thanks to Mozilla, Web Gets Less Ugly, Good Type Gets Machine Readable 3 months, 1 week ago on Wordpress

[...] support from Mozilla announced with the release of Firefox 3.6, and with the advocacy of leading type foundries such as Linotype, [...]

Reply

ArticleSave :: Uncategorized :: Thanks to Mozilla, Web Gets Less Ugly, Good Type Gets Machine Readable 3 months, 1 week ago on Wordpress

[...] support from Mozilla announced with the release of Firefox 3.6, and with the advocacy of leading type foundries such as Linotype, [...]

Reply

gabyu 3 months, 1 week ago on Twitter

Web Open Font Format (WOFF), one giant leap for typography on the web ? http://bit.ly/5GVDu #fb

Reply

Web Open Font Format backed by Mozilla, type foundries 3 months, 1 week ago on Wordpress

[...] The result of the collaboration is called Web Open Font Format (WOFF), and it has the backing of a wide array of type designers and type foundries. Mozilla will also include support for it in Firefox [...]

Reply

Thanks to Mozilla, Web Gets Less Ugly, Good Type Gets Machine Readable | GeekStream 3 months, 1 week ago on Wordpress

[...] support from Mozilla announced with the release of Firefox 3.6, and with the advocacy of leading type foundries such as Linotype, [...]

Reply

Thanks to Mozilla, Web Gets Less Ugly, Good Type Gets Machine Readable | Programming Blog 3 months, 1 week ago on Wordpress

[...] and web designers have gathered around Web Open Font Format (WOFF). With support from Mozilla announced with the release of Firefox 3.6, and with the advocacy of leading type foundries such as Linotype, [...]

Reply

Web Open Font Format Moves Ahead – Emily Chang - Designer 3 months, 1 week ago on Wordpress

[...] The result of the collaboration is called Web Open Font Format (WOFF), and it has the backing of a wide array of type designers and type foundries. Mozilla will also include support for it in Firefox [...]

Reply

Web Open Font Format backed by Mozilla, type foundries | Techdare 3 months, 1 week ago on Wordpress

[...] The result of the collaboration is called Web Open Font Format (WOFF), and it has the backing of a wide array of type designers and type foundries. Mozilla will also include support for it in Firefox [...]

Reply

trentwalton 3 months, 1 week ago on Twitter

I wonder of the future of web type is WOFF (Web Open Font Format): http://bit.ly/5GVDu

Reply

Web Open Font Format backed by Mozilla, type foundries 3 months, 1 week ago on Wordpress

[...] The outcome of the partnership is called Web Open Font Format (WOFF), and it has the subsidy of a wide form of sort designers and sort foundries. Tags: article, web/news, drm, firefox, browser-vendors, format, fcc, [...]

Reply

beep 3 months, 1 week ago on Twitter

@Brilliantcrank: Depends on the foundry. http://bit.ly/ClIyl

Reply

Web Open Font Format backed by Mozilla, type foundries | Supossably 3 months, 1 week ago on Wordpress

[...] The result of the collaboration is called Web Open Font Format (WOFF), and it has the backing of a wide array of type designers and type foundries. Mozilla will also include support for it in Firefox [...]

Reply

motaitalic 3 months, 1 week ago on Twitter

We may not be on Mozilla's WOFF Support List (http://bit.ly/3QBYsK), but have been behind WOFF, @typesupply, and @letterror from day 1.

Reply

Mozilla Supports Web Open Font Format | Buddy's Blog 3 months, 1 week ago on Wordpress

[...] The Mozilla Blog – Mozilla Supports Web Open Font Format Share and Enjoy: [...]

Reply

House Party – Jeffrey Zeldman Presents The Daily Report 3 months, 1 week ago on Wordpress

[...] Type, etc and larger foundries such as Linotype and Monotype. Today it has also gained the support of Mozilla in the their release of Firefox 3.6 (Mozilla has a full list of designers and foundries that [...]

Reply

Gabriel Robinson 3 months, 1 week ago on Twitter

@lynseydesign hopefully with Web Open Font Format (WOFF) http://bit.ly/27BZkR those javascript/Flash replacement fonts wont be needed

Reply

_the_gabe 3 months, 1 week ago on Twitter

@lynseydesign hopefully with Web Open Font Format (WOFF) http://bit.ly/27BZkR those javascript/Flash replacement fonts wont be needed

Reply

Webdesigner Buffet | nachtmeister.ch 3 months, 1 week ago on Wordpress

[...] Mozilla und das Web Open Font Format WOFF [...]

Reply

Sex, lies, & type - WEMAKECHANGES 3 months, 2 weeks ago on Wordpress

[...] to report. In addition to growing support for the new Web Open Font Format (WOFF) specification, there’s this wonderfully exciting taste of what the future holds, and how browsers [...]

Reply

breeze_media 3 months, 2 weeks ago on Twitter

mit Firefox 3.6 kommen endlich neue Schriftarten ins Web. Mozilla entwickelt mit Schriftenherstellen neues Format (WOFF)http://bit.ly/27BZkR

Reply

Sex, lies, & type | More On Design 3 months, 2 weeks ago on Wordpress

[...] to report. In addition to growing support for the new Web Open Font Format (WOFF) specification, there’s this wonderfully exciting taste of what the future holds, and how browsers [...]

Reply

Barker Design | Graphic & Web Development » Blog Archive » Sex, lies, & type 3 months, 2 weeks ago on Wordpress

[...] to report. In addition to growing support for the new Web Open Font Format (WOFF) specification, there’s this wonderfully exciting taste of what the future holds, and how browsers [...]

Reply

Sex, lies, & type | i love typography, the typography and fonts blog 3 months, 2 weeks ago on Wordpress

[...] to report. In addition to growing support for the new Web Open Font Format (WOFF) specification, there’s this wonderfully exciting taste of what the future holds, and how browsers [...]

Reply

jaems33 3 months, 2 weeks ago on Twitter

Excited about how Mozilla is behind WOFF alongside, H&FJ and Emigre: http://bit.ly/14s7Ud

Reply

ChadEngle 3 months, 2 weeks ago on Twitter

Mozilla endorses WOFF specification http://instapaper.com/zph2me7X

Reply

FOSSwiki 3 months, 2 weeks ago on Twitter

Open Source #opensource: Mozilla Supports Web Open Font Format... http://bit.ly/2Smy6R http://bit.ly/10xzGZ

Reply

forbesb 3 months, 2 weeks ago on Twitter

Mozilla announces support for WOFF (Web Open Font Format). http://bit.ly/1540R0 #woff

Reply

LS graphic design » Miscellanea // Week mix 3 months, 2 weeks ago on Wordpress

[...] new Web Open Font Format (WOFF) a proposal by Tal Leming, Erik van Blokland and Jonathan Kew. Even Mozilla (the link has a list of the official endorsers from the font world). «Mozilla is kicking Apple’s [...]

Reply

Open News | Mozilla ieviesīšot Web Open Font Format (WOFF) 3 months, 2 weeks ago on Wordpress

[...] izstrādātāji nolēmuši pārlūkā Firefox 3.6 ieviest formāta Web Open Font Format (WOFF) atbalstu. Web Open Font Format [...]

Reply

Web Open Font Format support for Firefox 3.6 | Browser Watch 3 months, 2 weeks ago on Wordpress

[...] have announced that they will support the Web Open Font Format (WOFF) from Firefox [...]

Reply

Chrisedmo 3 months, 3 weeks ago on Twitter

Some more interesting movements for #webfonts & @fontface... introducing WOFF font format: http://bit.ly/14s7Ud

Reply

Chrisedmo 3 months, 3 weeks ago on Twitter

Some more interesting movements for #webfonts & @font-face... introducing WOFF font format: http://bit.ly/14s7Ud

Reply

WolfHumble 3 months, 3 weeks ago on Twitter

Mozilla Supports Web Open Font Format: http://bit.ly/27BZkR – Fonts in FF 3.7 http://bit.ly/3yT7g – Tech alternatives http://bit.ly/gT2fW

Reply

Firefox 3.6 to support Web Open Font Format | Veera Sundar | Java, Web, Design and much more 3 months, 3 weeks ago on Wordpress

[...] Firefox 3.6 onwards, Mozilla adds the ability to link Web Open Font Format (WOFF) from your CSS files. The WOFF is mostly similar to the OpenType/TrueType fonts, except that its in [...]

Reply

Мысли вслух » Blog Archive » Web Open Font Format в Firefox 3.6 3 months, 3 weeks ago on Wordpress

[...] организаций вы можете найти на официальном блоге Mozilla [...]

Reply

despens 3 months, 3 weeks ago on Twitter

#Mozilla reitet heute wieder auf nachladbaren Schriften für den Browser herum: http://tr.im/Cybl Das wird nie was, siehe http://tr.im/Cyb2

Reply

coolscreen 3 months, 3 weeks ago on Twitter

#cool Mozilla presents Web Open Font Format ( #WOFF ) http://bit.ly/J8Urn and the blog post: http://bit.ly/14s7Ud #Mozilla #Font #www

Reply

tad_hara 3 months, 3 weeks ago on Twitter

ついにウェブでまともなタイポが!! RT @FontFont: WOFF The screenshot ☞ http://j.mp/fxwoffpng | The live site [Fx 3.6 only] ☞ http://j.mp/fxwoff

Reply

nemo20000 3 months, 3 weeks ago on Twitter

Firefox to support WOFF #font format. Come on MS, kill EOT already! http://tinyurl.com/yjataxj

Reply

benweiner 3 months, 3 weeks ago on Twitter

List of font vendors (aka foundries) who have endorsed WOFF http://tinyurl.com/yjataxj Thanks to @monkchips for tipoff

Reply

Mozilla unterstützt Web Open Font Format | Browser Download 3 months, 3 weeks ago on Wordpress

[...] hat bekannt gegeben, dass sie küftig das Web Open Font Format (WOFF) untersützen werden. Die Integration des WOFF soll ab Firefox 3.6 [...]

Reply

emtype 3 months, 3 weeks ago on Twitter

Emtype Foundry endorse WOFF (Web Open Font Format) http://bit.ly/ClIyl

Reply

ummocrono 3 months, 3 weeks ago on Twitter

Mozilla announces support for WOFF http://j.mp/fxwoff #woff

Reply

james_nl 3 months, 3 weeks ago on Twitter

Mozilla Supports Web Open Font Format from Firefox 3.6 and beyond. Nice! http://bit.ly/27BZkR

Reply

enrique_ramirez 3 months, 3 weeks ago on Twitter

http://bit.ly/5GVDu YES! WOFF On Firefox! :D Now for Apple and Google to catch up!

Reply

Mozilla Formally Announces Support For WOFF (Web Open Font Format) 3 months, 3 weeks ago on Wordpress

[...] WOFF! WOFF! WOFF! Mozilla has now made a formal statement regarding support for the Web Open Font Format. Plus a nice writeup on the whys and wherefores of [...]

Reply

burnworks 3 months, 3 weeks ago on Twitter

Firefox 3.6 が WOFF をサポートすることになりましたね。 http://bit.ly/1mU6zt

Reply

Social comments and analytics for this post... 3 months, 3 weeks ago on Wordpress

Social comments and analytics for this post…

This post was mentioned on Twitter by top_company: firefox: Mozilla Supports Web Open Font Format: Today, Mozilla is excited to join the organizations lis.. http://bit.ly/4HiGA…

Reply

pasteup 3 months, 3 weeks ago on Twitter

Mozilla announced support for the open web font format WOFF http://j.mp/fxwoff. We did a demo with @FontFont http:/ (cont) http://tl.gd/nequ

Reply

robertstulle 3 months, 3 weeks ago on Twitter

Mozilla announced support for the open web font format WOFF http://j.mp/fxwoff. We did a demo with @FontFont http://edenspiekermann.com/woff

Reply

MacDivaONA 3 months, 3 weeks ago on Twitter

Now that Mozilla supports Web Open Font Format, will you be designing sites that use it? http://j.mp/1WpojF

Reply

Web Open Font Format for Firefox 3.6 at hacks.mozilla.org 3 months, 3 weeks ago on Wordpress

[...] This article was written by John Daggett. John is a Mozilla contributor and has been working hard with font creators and web developers to improve the state of fonts on the web. This article is a high-level overview of whats different and shows some examples of WOFF in use. A full list of other supporting organizations can be found at the official Mozilla Blog. [...]

Reply

Mozilla Throws Its Weight Behind Improving Web Type, Adopts WOFF for Firefox | Programming Blog 3 months, 3 weeks ago on Wordpress

[...] type foundries — including House Industries, Hoefler & Frere-Jones and ITC — are already endorsing the format, and Mozilla’s support should help foster its [...]

Reply

cameronmoll 3 months, 3 weeks ago on Twitter

"Today Mozilla is excited to ... endorse WOFF specification ... implementing this spec in Firefox 3.6+" http://j.mp/fxwoff (thx @FontFont)

Reply

DanielBaird 3 months, 3 weeks ago on Twitter

RT @phluid61, RT @firefox: Mozilla Supports Web Open Font Format http://bit.ly/5GVDu …agree @phluid61, this is a big deal.

Reply

seaofclouds 3 months, 3 weeks ago on Twitter

web designers take note: http://bit.ly/ClIyl

Reply

webetcaetera 3 months, 3 weeks ago on Twitter

Héhé... RT @zeldman: Mozilla Supports Web Open Font Format http://j.mp/290MXe

Reply

magols 3 months, 3 weeks ago on Twitter

http://bit.ly/5GVDu - WOFF WOFF. Förhoppningsvis ett format alla typsnittsdistributörer och tecknare kan enas kring. #woff

Reply

FontFont 3 months, 3 weeks ago on Twitter

WOFF sample page using FF Meta and FF Meta Serif. The screenshot ☞ http://j.mp/fxwoffpng | The live site [Fx 3.6 only] ☞ http://j.mp/fxwoff

Reply

davidhund 3 months, 3 weeks ago on Twitter

WOFF is going to be big: http://vlst.nl/x/17 http://vlst.nl/x/18 Bummer @fontminusface implementation is lacking...

Reply

sky_rocket 3 months, 3 weeks ago on Twitter

Another brick in the #webfonts wall... Mozilla officially announces support for WOFF in Firefox 3.6 http://bit.ly/5GVDu

Reply

cayonavarro 3 months, 3 weeks ago on Twitter

Mozilla announces support for WOFF, @FontFont + @edenspiekermann designed a sample page http://edenspiekermann.com/woff | http://j.mp/fxwoff

Reply

MediaFront 3 months, 3 weeks ago on Twitter

WOFF. http://bit.ly/ClIyl

Reply

HindiRinny 3 months, 3 weeks ago on Twitter

I'd better get on the WOFF train. And quick! http://bit.ly/ClIyl

Reply

moogaloo 3 months, 3 weeks ago on Twitter

Firefox & WOFF: http://bit.ly/27BZkR - i'm very excited and down right confused, in equal measures!

Reply

drumminhands 3 months, 3 weeks ago on Twitter

Way to go Mozilla. http://bit.ly/27BZkR

Reply

judsondunn 3 months, 3 weeks ago on Twitter

i love mozilla's artwork lately, so cute http://bit.ly/2Mv8zd

Reply

Lukelux 3 months, 3 weeks ago on Twitter

Mozilla officially announces support for WOFF — Web Open Font Format: http://is.gd/4sH09 (via #everyone) (via @aaronbell)

Reply

aaronbell 3 months, 3 weeks ago on Twitter

Mozilla officially announces support for WOFF — Web Open Font Format: http://is.gd/4sH09 (via #everyone)

Reply

rebobaydobay 3 months, 3 weeks ago on Twitter

RT @ilovetypography: Mozilla announces support for WOFF http://j.mp/fxwoff & @edenspiekermann’s sample page http://j.mp/1pi8jj via @fontfont

Reply

TheIspot 3 months, 3 weeks ago on Twitter

Mozilla announced today that it will include support for WOFF fonts-designed for use on the Web-in Firefox version 3.6 http://bit.ly/2jaD1a

Reply

typographica 3 months, 3 weeks ago on Twitter

The floodgates for quality webfontage have opened. Mozilla officially announces support for WOFF: http://bit.ly/5GVDu

Reply

stoltenberg 3 months, 3 weeks ago on Twitter

mozilla announces support for woff: http://j.mp/fxwoff #typo #webfont

Reply

totztotz 3 months, 3 weeks ago on Twitter

WOFF and Mozilla. http://bit.ly/5GVDu

Reply

Font 3 months, 3 weeks ago on Twitter

WOFF sample page by @FontFont + @edenspiekermann http://j.mp/fxwoff

Reply

ilovetypography 3 months, 3 weeks ago on Twitter

Mozilla announces support for WOFF http://j.mp/fxwoff & @edenspiekermann’s sample page http://j.mp/1pi8jj (via @fontfont)

Reply

BSA_design 3 months, 3 weeks ago on Twitter

Mozilla announces support for WOFF http://bit.ly/2JUlDT @FontFont + @edenspiekermann designed a sample page http://j.mp/fxwoff

Reply

FontFont 3 months, 3 weeks ago on Twitter

Mozilla announces support for WOFF, @FontFont + @edenspiekermann designed a sample page http://edenspiekermann.com/woff | http://j.mp/fxwoff

Reply

© uberVU Ltd. 2010

Terms of use