"Google Barge...A floating data center? A wild party boat? A barge housing the last remaining dinosaur? Sadly, none of the above. Although it's still early days and things may change, we're exploring using the barge as an interactive space where people can learn about new technology."
Please forgive me, but if you decide to build what looks like quite a substantial structure out on the water, you might have some vague idea of what you're going to do with it. — news.cnet.com