Early speculation has centered on a data center . ` ` Mystery barge '' on San Francisco Bay may be a Google project . Barge holds mysterious four - story structure . Project centers on data center , possible marketing site for Google Glass . Google has not responded to requests for information .
` ` Mystery barge '' on San Francisco Bay may be a Google project . Barge holds mysterious four - story structure . Project centers on data center , possible marketing site for Google Glass . Google has not responded to requests for information .