How does the Web's largest ticket search engine improve its API? By giving developers easy access to more information, of course. SeatGeek recently made links to artists' Spotify and Last.fm profiles available through the SeatGeek API, and the company promises even more data in the future.
You may soon be able to "Digg This" from within your applications. The social news site's API (our Digg API profile) has long been able to list stories and other data. Now it's looking to let developers add content programmatically.