I know, I know, another gadget that sends you tweets right? In short, yes. But this is going to be way cooler than the houseplant that can tweet when it is thirsty or the scale that tweets your weight.
Twine is a plastic puck filled with sensors and can be easily programmed to tweet when certain criteria are met. It is another project sucessfully funded via the kickstarter website.
I could try to explain here, but the two MIT Media Lab graduates who created it do a much better job in the video below. You might also want to check out this article at fastcompany, the kickstarter page for Twine, or this interview with David Carr, one of the creators of Twine.
This is the kind of stuff I really love. It is very cool and complicated tech in a super simple package. And best of all, you don't have to be an MIT grad to use it!