Read the amanda blain below & thought seeing I already have the account (was forced to create one with when setting up a nexus7) I thought I would see what the fuss was about.
Initial thought elicited a NSFW comment . Poked around for 30 minutes & still an anagram for "this". Lots of narcissists trying to look profound.
Then I was reminded of the Vincent Flanders (web pages that suck) rule - "if a man from mars can't work out your site within 4 seconds you are doing it wrong" so I probably spent 29 minutes & 56 seconds too long in it.
Honestly I am thinking about rooting the device so that I can get get rid of the googly goodness" like g+, gmail, people, play..,. drive, currents (what the hell is that ?) (and the added benefit of being able to plug in otg usb storage :-)