F1 by Mozilla LabsInstall F1 available for Firefox 3.6+ Get Firefox to use this Add-On. So, what’s F1? F1 is a browser extension that allows you to share links in a fast and fun way. Share links from within the browser, from any webpage, using the same services you already know and love. F1 is made by Mozilla Messaging.
Bit.lyピンチ。FacebookとGoogleがURL短縮サービスに参入
