ChatRoulette

Some of the day's top online stories for investors, including advice on how to heal the economy, a review of Angry Birds Halloween for the iPad and iPhone, and what happened to Chatroulette?

An overhaul of Chatroulette.com, the faddish video chatting site, has failed to solve its central issue: the tendency of users to expose themselves.

It started off as a viral Web sensation, quickly blossomed into a promising investment, and ended up as a dirty joke. Chatroulette is relaunching, but can the clever site clean up its act to appeal to audiences beyond exhibitionists and voyeurs?

Book publishers are keeping tabs on FarmVille, ChatRoulette, Facebook, and video-game companies, turning their sights onto the rapidly changing environment in digital distribution and social networking to keep their industry relevant -- and alive.