I know it would be painful, and the local politics certifiably insane, but if Google wanted draw attention to the dysfunctional monopoly of the cable industry, there would be no better place to wire than Philly. Take the competition right into Comcast's back yard. Start with a rollout of the Philly 'burbs where the Comcast execs live and work inward toward the city from there.
You live in Philadelphia, don't you?
I remember a Comcast exec a few years ago made the point that it was hard to do deals with Hollywood execs because the execs all lived in places in California that didn't have Comcast service, and couldn't really see the innovations Comcast was talking about.