Pascal Van Hecke – Daily Links

Bookmarklet and Greasemonkey userscript that lets you easily play mp3 files directly on Twitter or Jaiku.
Transforms the [play http://hyperlink] phrase to an embedded flash player.
Based on the del.icio.us Greasemonkey userscript.

"Open Source system for tracking the location of your lost or stolen laptop that does not rely on a proprietary, central service.
Addresses a critical privacy goal different from existing commercial offerings: no one besides the owner (or an agent of the owner's choosing) can use Adeona to track a laptop"
Uses http://www.opendht.org/ as storage, OpenDHT is a "publicly accessible distributed hash table (DHT) service", started for research purposes.

What it says. The apps I use most to impress "normal" people with my iPhone.