They buy boats that look as if they were extruded from the same hunk of plastic and gather at events like Antigua Sailing Week to brag about how they've cut a few pounds out of their rig by switching to carbon-fiber composites from aluminum.
It seems Google wants the select few who get to try out Glass to tell it about the bugs and kinks in the product not to brag about the profits they make on it.
If you're traveling and expect to use Maps to navigate, Google to scope out enjoyable things to do, your email app to keep in touch, Instagram to brag, Foursquare to keep tabs, Facebook to kill time and your cloud drive of choice to sift through flight and hotel confirmation PDFs, it'll be dangerously easy to exceed 100MB in a day.