FIREFOX 5 arrives at the Summer?

The color of Firefox 4 is not yet dried, and flake already for the next child of the Mozilla, Firefox 5th.

Judging from the information leaked on the Internet, although Firefox 4 was released less than two weeks, Firefox 5 are expected to arrive in the summer, and apparently this version brings significant innovations in user interface.
The browser will be implemented and some options for social networks and access to Facebook and sharing of content, for example, would be simpler.
5 Firefox will reportedly allow users the opportunity to manipulate the different tabs open, and the option "home" will disappear. Readers of PDF, mp3 and similar formats will be integrated into the new version, passed the U.S. media.