FreeCommander is an alternative to Windows Explorer. It allows us to work with files much faster and also offers a lot of additional features for more advanced users.
If you know how to sing or hum a song, but don't know the title or the artist performing it, you can use a midomi website which will help you find the the song.
MTT-136 - My Track Technology is an astonishing and persistent little electric powered, tracked vehicle. This thing can run in mud, grass, deep fresh snow, forrest ground, basically any terrain you can think of. I want one.
Really great and free service where you can chat using a bunch of services like Skype or Google Talk within your web browser, meaning you don't need to install anything on your computer.