Google announced that it is inviting developers to try out the beta version of its Real Time Reporting API, a tool that allows you to programmatically make queries on your website data and use that information in whatever way you please.
PubSubHubbub. Say that three times fast. If you're not familiar with PubSubHubbub, it's an extension of the RSS and Atom protocol that allows the feed to push content out when it's updated. That's just the sort of technology we should see from check-in APIs like Foursquare and Gowalla.
Pusher has just announced a new competition that challenges developers with the task of adding cool engaging realtime features to an application using the Pusher API. Winning apps will get prizes that include an 11 inch Macbook Air and a ticket to the Keeping it Realtime Conference.