Bill Voth's

Here's The One Chart Twitter Developers Need To Read To See If They're Still In Business

Twitter just announced a bunch of changes to the systems developers depend on to create apps based on the real-time information service. There's a lot of detailed changes to the API, or application programming interface. But the big picture is summed up in one chart: If you're in the upper-right quadrant, you're probably in trouble.

http://ow.ly/d1Pf6