Learning With Quantified Self — this CS grad student broke Jeopardy records using an app he built himself to quantify and improve his ability to answer Jeopardy questions in different categories. This is an impressive short talk and well worth watching.
Evaluating Text Extraction Algorithms — The gold standard of both datasets was produced by human annotators. 14 different algorithms were evaluated in terms of precision, recall and F1 score. The results have show that the best opensource solution is the boilerpipe library. (via Hacker News)
Quneo Multitouch Open Source MIDI and USB Pad (Kickstarter) — interesting to see companies using Kickstarter to seed interest in a product. This one looks a doozie: pads, sliders, rotary sensors, with LEDs underneath and open source drivers and SDK. Looks almost sophisticated enough to drive emacs :-)
The Internet of Things That Do What You Tell Them: Cory Doctorow passionately explains how computers are already entwined in our lives, which means laws that support lock-in are much more than inconveniences.