In addition to their 'do no evil' motto, Googlers have always been guided by another, much less explicit philosophy: 'computational arrogance.'

Diplomacy is, perhaps, one element of the U.S. government that should not be subject to the demands of 'open government'; whenever it works, it is usually because it is done behind closed doors. But this may be increasingly hard to achieve in the age of Twittering bureaucrats.

Contrary to the utopian rhetoric of social media enthusiasts, the Internet often makes the jump from deliberation to participation even more difficult, thwarting collective action under the heavy pressure of never-ending internal debate.

There is this group of people who love innovation. Those people want to innovate, and they think the Internet is a wonderful tool for innovation, which is true. But you also have to remember that much of that innovation is constrained within the realities of the foreign policy.

People are so passionate... Now that I have discovered Twitter, it's become so fun that people are really into this 'Clexa' thing, and there's such a great response to their relationship.

You don't repair that relationship by sitting down and talking about trust or making promises. Actually, what rebuilds it is living it and doing things differently - and I think that is what is going to make the difference.

Ninety percent of the students take the 'preferred lender.' Why? Because that's the nature of the relationship. You trust the school. The school is in a position of authority.

I'd like to make one thing very clear: Muhammad Ali loved people, and he had white friend as well as black friends - and the only thing that he hated was discrimination and racism.