Google Browser Sync. ⇒
8 June 2006, lunch time
Synchronize your bookmarks, passwords, cookies, etc across multiple computers running Firefox. Google encrypts the information using a PIN before sending it out and saving it on their servers. I'm not sure how secure the system as a whole is, but that is a good sign at the very least.
This is a post from my link log: If you click the title of this post you will be taken the web page I am discussing.