Mozilla has just released a Firefox 4 Beta version, including desktops, mobile devices (Android version and Maemo) two versions. One bright spot is mobile does not require additional plug-ins, users can save any Web page PDF document.

In the Android version, users can click on the “Site Options” (Site Options), select “Save as PDF” (Save as PDF) to any web page can be saved as PDF files. With this utility, users can not access the case can continue browsing the web. In addition, users can share the relevant PDF file by email to friends, more than ever to send web link to more intuitive and safe.