LXer: Google Browser Sync extension clones Firefox settings
 

Published at LXer:

Computers can make your life easier, but you may not think so if you use more than one and like to keep your workspace the same across them. For instance, if you browse the Web, switching to another computer is a hassle. Where are your bookmarks? What was your password again? What was that URL you were looking at yesterday? Google Browser Sync is a Firefox extension that can help.

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I suppose it's possible that Google is grabbing all my bookmarks any time I use it to assist with their targeted advertising; but purposely giving them that very personal list is crazy.

I don't know about Firefox, but SeaMonkey already has this function built in.