Always write angry letters to your enemies. Never mail them.

When a company is charging money for a product - as Evernote does for all above its most basic service, and same for Dropbox and SugarSync - you understand its incentive for sticking with that product.

If you didn't know better, you might have thought in 2003 and 2004 that U.S. government strategy was being set by people trying to make enemies rather than friends in the Arab-Islamic world. And if you didn't know better, you might think that the Chinese government's approach to the Olympics is being set by people trying to make the country look bad.

The pandering and ignorance-across-party-lines represented by the John McCain-Hillary Clinton united front for a temporary reduction in the gasoline tax should make Americans hold their heads in their hands and moan [...] Please. This is embarrassing. It makes me long for the good old days of debating about flag pins on the lapel.

Always write angry letters to your enemies. Never mail them.

For a decade or more after the Vietnam war, the people who had guided the U.S. to disaster decently shrank from the public stage.

Considering all the different ways in which China has interacted with the world in the last 50 years, considering all the challenges ordinary Chinese people have to put up with, it's beneficial and, and, by any rational standard, non-threatening to have national energies channeled into this kind of competition. It's touching to see so many ordinary Chinese crowds cheering for their new heroes.