Privacy Is About Tradeoffs... And Things Go Wrong When Those Tradeoffs Are Not Clear

“The reason people get upset about privacy issues on internet services isn't so much that they don't like giving up information to get a useful service -- people seem quite happy to do that. It's that they're not quite clear on what they're giving up and what they're getting back and how to weigh those two things. And that (quite reasonably!) makes people nervous and worried about their ‘privacy.’"