@nergalur It's a web browser I'm implementing.
And perhaps the feature I'm most excited to implement is to merge the results from multiple registered (smaller) search engines into a single display, optionally including browser history. And I'm looking to aid sharing of bookmarks in order to help build those smaller search engines, entirely at the discretion of the surfer ofcourse.
So far I've implemented top sites, personalized recommendations, and webfeed discovery.