Back when Google ecstatically unveiled its 7-inch Nexus tablet a few months ago, the company decided to keep things simple by only introducing 8GB and 16GB models -- much to the dismay of folks who prefer a device with a bit more storage space. One lucky customer in Japan, however, claims to have unexpectedly received a Nexus 7 loaded with more built-in storage than Mountain View currently advertises, having been delivered Google's
