The European pricing article in TidBITS-168 prompted a tremendous response, which I've forwarded in part to various groups, where I hope the discussion will continue. It's difficult and time-consuming for me to repost comments so please, consider posting comments to a group before sending them to me personally. If you do send them to me, please note if you DON'T want me to repost them anywhere (I avoid anything that's obviously sensitive, but I'm not omniscient).
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Encrypted Screen Sharing in Snow Leopard
In Snow Leopard, screen sharing in iChat can now be encrypted if both parties sharing a screen have MobileMe accounts and have enabled encryption (iChat > Preferences > Accounts > Security).