Anil Dash's 10 Rules of Internet

Anil Dash's "10 Rules of Internet" veers from the funny ("Given enough time, any object which can generate musical notes will be used to play the Super Mario Brothers theme on YouTube") to the serious ("When a company or industry is facing changes to its business due to technology, it will argue against the need for change based on the moral importance of its work, rather than trying to understand the social underpinnings") and is full of smart. My favorites:

Judging by their response, the meanest thing you can do to people on the Internet is to give them really good software for free.

Any new form of electronic communication will first be dismissed as trivial and worthless until it produces a profound result, after which it will be described as obvious and boring.

People will move mountains to earn a gold star by their name on the Internet.

10 Rules of Internet