The intention of Soulseek(tm) is to help unsigned and/or independent artists find a place in the ever-growing music industry, in a place where discussion and the creation of music can take place.
Compares many of the most well-known photo sharing sites, although it seems to have missed Fotki. Fotki is a top notch site, and deserves to be in any list of top contenders.
Announcing Vyew 2.0: Free Web Conferencing and Always-On Collaboration * 100% Browser-based - No downloads or installs * Shared viewing of: DOCs, PPTs, XLSs, JPGs, PDFs and more * Real-time Desktop Sharing and Screen Capturing * Tools to Whiteboard, Draw