Watch: TechBytes: Kindle, Amazon, Apple
Kindle Fire tablet sales have dropped by 80 percent.

Pinterest raises $100 million in funding: WSJ
(Reuters) - Pinterest, the increasingly popular online bulletin board, raised $100 million in a financing round that values the U.S. start-up at $1.5 billion, the Wall Street Journal said, citing people familiar with the matter. The funding is led by Japanese e-commerce site Rakuten, with Pinterest's existing venture-capital investors such as Andreessen Horowitz, FirstMark Capital and Bessemer Venture Partners also participating, the report said. Pinterest could not immediately be reached by Reuters for comments. ...

As Facebook grows, millions say, 'no, thanks'
Don't try to friend MaLi Arwood on Facebook. You won't find her there.

First Earth-Size Planets Found in Space
Scientists using NASA's Kepler space telescope say they have found two planets orbiting a distant star -- and say the planets are the first ever that are the size of Earth or smaller. That could be critical in the search for extraterrestrial life.

News Summary: Does advertising on Facebook pay?

MORE TO OFFER: Facebook is responding to extraordinary demand and says more stock will be offered in the company's initial public offering.

Poll: Half of Americans call Facebook a fad

Half of Americans think Facebook is a passing fad, according to the results of a new Associated Press-CNBC poll. And, in the run-up to the social network's initial public offering of stock, half of Americans also say the social network's expected asking price is too high.