On the same day that Google+ opened itself up to the masses, Facebook launched its latest redesign. The change seems almost ironic considering the opposite trajectories these two social networks are on: Google+ on the way up, Facebook on the way down.

Forget the hit piece that journalism professor Dan Reimold wrote earlier this week for PBS calling Google+ a "ghost town." Even if Reimold's premise was even remotely correct (he needs to remember that up until now, Google was invite-only so of course usage is sparse), that's about to be blown out of the water.

Want evidence that Facebook is feeling the heat of Google+’s success? The company is announcing changes that give users more control over how content is shared. Facebook’s efforts seem to be a response to the most popular features of Google’s social network, praised for its tighter privacy controls.

Tagging has become a popular feature on Facebook, but many of us find ourselves tagged in posts, checkins, or photos that we’d rather not have been. The site now will give users the option to approve all tags before they appear on a user’s profile.