This is probably the most sober assessment of the current situation which is both optimistic and depressing simultaneously. The technology has reached a point to make a snooper's wildest dreams come true but at the same time there are more and more ways to get information about wrong-doing out into the open and to discuss it which hopefully results in action to correct it.
The awkward part of the Surveillance Age is that permanent vigilance is very difficult to sustain and any lapse or general complacency will be immediately taken advantage of. Keeping governments in check now appears to be a 24/7 task.