Google Nexus 7 by Asus

After Microsoft announced its entrance into the tablet market with Surface, we knew it was only a matter of time before we saw Google come forward with its own tablet-shaped rival. And we didn't have to wait very long at all.

As part of Google's I/O 2012 keynote speech, the covers were pulled off of the Nexus 7 tablet, a seven-inch device made in association with Asus.