A Searchify PHP library is available to access the Searchify API. With the aim to simplify search-as-a-service, geolocation, and hosting, Searchify offers compatibility with IndexTank, useful to add custom-made real-time full text search to a website or an app. Authored on GitHub by developer Adrián.
Recently we wrote about the wonders of PubSubHubBub and what was possible when services push data, in real time, to external web apps. Twitter's Stream API makes it clear that we're headed towards an exciting and very real-time web. Now YouTube is along for the ride.