Web based Screen Sharing - free and no registration required

QuickScreenShare.com (thanks RG)

http://quickscreenshare.com/

This must be the simplest way to share screens with anybody:

• No registration required and completely free.
• Nothing to install for sharer or sharee.
• Works on Windows, Mac, and Linux.
• Lets you remotely control mouse and keyboard!
  

Watch the demo video here:

http://screencast-o-matic.com/watch/cXi3YwYNN

=================