
[Note: due to some technical difficulties, the Movers data have not been updated since Friday the 15th. Rather than hold them frozen at those posted Tuesday the 12th of February, I'm updating them to the last available, reliable Movers data.]
You look at the graph and you see Mozilla. Your brain says, "Yeah, I just updated Firefox."
I'm always impressed by how much of a surge in traffic the already-popular mozilla.com gets when they put out a Firefox update. A great trickle-down effect is that in subsequent days, popular Firefox plugins get a boost as their home-sites release updates to coincide with the new Firefox revision. The number ten Mover in this list, Mincus.com's Adsense Notifier Plugin falls into this category.