Remobo creates an Instant Private Network ™ (IPN) between users. It's like a computer network for your social network... Just login, add users to your buddy list, and Remobo will create a secure network for you to: Remote control your home computer and access files while at work or traveling. Privately share large files like photos & docs between computers or with friends & family. Replace your existing, costly and difficult to use VPN software. Run games, video conferencing, streaming media, secure instant messaging & more!

Cool site shows front pages of dozens of daily newspapers.

Set up collaboration workspace

Palbee is a free online service which allows you to set up easy video meetings with your friends and colleagues. You can also use Palbee to record your own presentations and store them online.

Collaborative, social learning network--free!

Collaborative effort to promote student journalism, including news broadcasts, documentaries, and live event coverage.

Send email, text messages, Twitter updates, etc. by voice from telephone.

Thoughtful discussion on writing standards and student blogging.

IE and Firefox plugin that saves bookmarks visually.

Allows groups to send DMs in Twitter to other group members.

Inspiration ONLINE and free!

Live streaming broadcast tool--much more advanced than uStream, but still in beta. Looks very promising!

Upload photos, and they are instantly added to every site you want them on (Flickr, Photobucket, blogs, Facebook, Vox, etc.)

Very interesting site allows video viewers to insert comments at specific points on video timeline.