A video hosting, remixing, etc site. They share ad revenue with producers 50/50 and allow you to sell your own ads for a 10% cut. Nice.
OpenStreetMap is a free editable map of the whole world. It's a wiki-like map which users can edit. You can upload GPS traces of areas and add street names, etc. Eat your heart out Google Maps.
Video hosting site with privacy options, an alternative to YouTube perhaps?