The world of Edge.org wakes up to reputation, and MemeStreams is explained.

"General altruism": here you give something back not to the person to whom you owe something, but to somebody else in society.

"We had become prisoners of the dilemma."

Here the question of trusting the other, the idea of reputation, is particularly important. Google page rankings, the reputation of eBay buyers and sellers, and the Amazon.com reader reviews are all based on trust, and there is a lot of moral hazard inherent in these interactions."