Here's a modest proposal: what if we made it a serious crime for anyone to retain automatically-recorded surveillance footage, or data derived from it, for longer than some limited period of time (say, 7 days) unless said footage is released to the public within that timeframe?

That is, you can put up cameras wherever you want, but you can't gain any kind of competitive advantage by doing so.

I think the public would be more alert to the dangers of mass surveillance if the magnitude of that surveillance was more obvious. And if everyone was watching everyone, at least it wouldn't as easily abused for purposes such as selective prosecution or blackmail.