This month we discuss Nvidia's new GeForce GT 545, add a lot of new GPUs to the graphics card hierarchy chart at our readers' request, and discuss some conspiracy theories swirling around the introduction of next-generation products!

Detailed graphics card specifications and reviews are great—that is, if you have the time to do the research. But a...

Google upped the ante in its challenge to Facebook Thursday by introducing games into its nascent social network Google+.

Just as in Facebook, Google+ users will now be able to play games such as Angry Birds, Zynga Poker, and Crime City — and bug their friends with notices of their latest achievements and high scores.

But Google promised Thursday there’s a difference between its network and Facebook’s — those notifications won’t show up in the general “stream” of updates users see. So you’ll only run across your friends’ gaming-centered notifications when you go to play a game yourself.

Google...