paper.li — read Twitter as a daily newspaper. An odd mashup of the hot new tech and the failing old. Will newspapers live on with modern meanings, like “records” and “cab”?
Eureqa — software tool for detecting equations and hidden mathematical relationships in your data. Appears to be a free-as-in-beer service with open source client libraries. (via Pete Warden)
Samsung Patents Tablet with Front and Rear Touch Input — The idea is to let users control the device without touching the screen, and perhaps allow them to perform multi-touch inputs from the screen side and the rear side at the same time. (via azaaza on Twitter who says he worked on it at Samsung four years ago)