A Facebook backed social networking browser RockMelt secured financing of $30 million from two investors. Accel Partners and Khosla Partners joined existing investor Andreesen Horowitz in this latest round, the company and investors said. Accel's Jim Breyer and Khosla's Vinod Khosla will take observer roles on RockMelt's board.

Using RockMelt users of Facebook can send their messages from main browser screen and get an alert when there is news a reader wants -- a new Tweet or an update on a favorite website. The main goal of the service to make the web browser a portal for people crazy about social networking.

Many of these features are the result of a partnership of RockMelt and Facebook, which is also backed by Andreesen Horowitz.