And another one. And a vote for getting local governments involved as those are the main touch-points that people have during the day w/ government. Maybe there would be a way for them to create websites that are "open for ideas" on every fed website, instead of just "/open". People don't necessarily know what "open government" is, but they might still be willing to give suggestions for improvement.
Full-disclosure: I work for an IT company that works w/ local gov.