Its not often that I find an application that uses more memory than Microsoft Outlook, if that was the aim of Flock then they have succeeded.
Seriously, good idea, and an obvious idea that everyone is moving towards, but it should (and will) be done as plugins and extensions so you can target IE as well as Mozilla space, but they seem to think otherwise.
“Umm, I like FireFox as much as the next geek. But if youre creating enhancements to a browser with a 7% marketshare, god knows what you or your investors are thinking. “