"On computer systems" has a hollower ring now than it did a decade ago. Everything is on a computer system now. Even face to face interactions leave a plethora of metadata behind.

The nature of privacy has always been a function of social norms and technology, but given the directions we're headed in these days I think it's easy to make a case that the average citizen has given up a lot more privacy, then they have gained in convenience.

My life was easier when it took me an hour to download a megabyte and I spent more time outside... and I say that as a web developer.