This may be one of the better overviews of Twitter I’ve read.
Finding Utility in the Jumble of Tweeted Thoughts – NYTimes.com.
Soon, machines could twitter as much as people. Corey Menscher, a graduate student at New York University, developed the Kickbee, an elastic band with vibration sensors that his pregnant wife wore to alert Twitter each time the baby kicked: “I kicked Mommy at 08:52 PM on Fri, Jan 2!” Mr. Menscher is now considering selling the product.
Pairing sensors with Twitter leads some to think Twitter could be used to send home security alerts or tell doctors when a patient’s blood sugar or heart rate climbs too high. In the aggregate, such real-time data streams could aid medical researchers.
This quote helps understand why Twitter is changing things:
“Twitter reverses the notion of the group,” said Paul Saffo, the Silicon Valley futurist. “Instead of creating the group you want, you send it and the group self-assembles.”

