I think that people won't switch to Linux because it's Free as in speech (they probably don't care) or because it's free as in beer (they probably think they didn't pay for Windows), but because they see new, really good features that Windows doesn't have
In a syndication world we are often overwhelmed with information. It is incredible that information once far away has been brought near, but we need to find some order for the chaos.
Who is in charge of your computer, you or Firefox? It really seems that Firefox has the reins when it begins to leak memory out the wahzoo. When its memory use climbs well over 100Mb, sometimes rising to over 200Mb, it is time to get it back under control