Twitter has a great API for searching through tweets. But it can also be a bit daunting if you've never interfaced with APIs before. In the Node.js universe, there's a great package called "twit" that makes it really easy to use the Twitter API. And what better way to show off your Twitter API knowledge than to hook it up to a blink(1) light, which is just what @jbulava did with "twitter-streaming-blink1". The code is a single well-commented file that needs only a few lines of code to do searches and acting on tweets.
Look how succinct it is: