DropBox (http://www.dropbox.com/)

• Quick and easy "just works" way to backup/synchronize files between machines
  • Supports Windows, MacOSX, Linux, iPhone, Android, Blackberry, ...
  • Good integration with Windows File Explorer, Gnome Desktop, Android, etc
  • Smart synchronization on local network
• I use it to store documents I am working on and to transfer pictures etc from phone
  • Even put entire subversion/cvs projects in dropbox folder, it just works!
• Up to 2GB is free (50GB is $9.99/month)
• Can be used to share files with other dropbox account holders
• No security professionals were consulted in the preparation of this note, use at your own risk.
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