The Yahoo machine could get only more powerful as high-speed broadband services expand and it combines the "rich media" of TV spots with the instant interactivity of point-and-click on the Web.

FORBES: The Killer Ad Machine

Three recent battles over Net technologies -- the DNS, instant messaging, and Web page annotations -- illustrate the point.

CNN: Opinion: E-nough already!

This will instantly raise people's aversion to risk: they will do instant de-risking of their own portfolios and you may come to a point where one bank refuses to lend to another.

BBC: Ten points on the Euro crisis

Instant replay has been a part of college basketball since 1986, when the 3-point shot also debuted.

WSJ: Officials facing dilemma with video review