Can you objectively measure dance? In this brief educational film, the Bureau of Non Verbal Communication shows you how to quantify your get-down and avoid common mistakes -- like having poor taste.
I wrote a Chrome extension that tells you how many times you've visited the page you're on, right in the button by the URL. Clicking the button gives you a graph showing how many times you've visited the page in the last week. [more inside]
Nametrix is an iOS app I created initially for baby naming, but it ended up being way cooler than that. It uses public data on millions of people (US census, US campaign contributions, Wikipedia) to determine what professions, political parties, and other affiliations each name tends toward. For example, Ellen is a disproportionately common name for 1) psychotherapists, 2) librarians, and 3) activists. Ellens also overwhelmingly lean toward the Democrat party and have tended to be most popular in the northeastern part of the US. As far as I know, nobody else has made anything remotely like this... Pretty fascinating stuff, right? What other kinds of metrics would you like to see?
I wanted one slim bit of what last.fm provided - logging every time I play a song, and making that data easy to visualize. This is that bit - an open source OSX menubar app that outputs JSON.