Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.
Well I dont think so. What we offer as one of the features is periodicall sync with user's account favorites from dozen of StackExchange websites (user can set it up in her account by providing her user id) and after that user's favorites are available for full text searching.For that we are using Stack API and here in the post we are talking only about this "sync" possibility completely related to SO.