Related, CNet recently talked about these already-existing Google pop-up stores, about which I had never previously heard. The pop-up stores give you an idea what Google stores might look like.

From my perspective, Google heard that Microsoft copied Apple's stores with tepid success and thought, "We should do that. But the secret to success is rounded corners."

http://news.cnet.com/8301-17852_3-57569813-71/why-googles-st...

Just a photo of the pop-up store:

http://asset3.cbsistatic.com/cnwk.1d/i/tim/2013/02/17/Screen...