In effect, you cannot stop Iraq from growing nasty bugs in the basement. You can stop them from putting operational warheads on working missiles and launching them at their neighbors.

The government of Sudan, employing a back channel direct from its president to the Central Intelligence Agency, offered in the early spring of 1996 to arrest Osama bin Laden and place him in Saudi custody, according to officials and former officials in all three countries.

The $52.6 billion U.S. intelligence arsenal is aimed mainly at unambiguous adversaries, including al-Qaida, North Korea and Iran. But top-secret budget documents reveal an equally intense focus on one purported ally: Pakistan.

U.S. intelligence services routinely use collection methods against foreigners that foreseeably - with certainty - ingest high volumes of U.S. communications as well.

I believe mobile technology has a much broader role to play. It could solve some of the biggest problems on earth.

I am able to compete not because my labour is cheap, but because I can use technology better than others.

I have very little respect for the integrity of the trading on the exchange in most stocks. And I have particular disdain for the fact that the SEC has failed to deal with high-frequency traders who are doing nothing more than taking advantage of inside information, a buy or a sell order, because of technology advantages.

The Internet is far more engaging as an interactive medium than broadcast. Barriers to creating content are going away; they're almost gone. People are taking control of their entertainment. People are Tweeting, posting on Facebook and YouTube.