Obama tweet most popular, but Olympics ruled Twitter in 2012

An election victory tweet from President Barack Obama "Four more years" with a picture of him hugging his wife was the most retweeted ever, but the U.S. election was topped by the Olympics as the most tweeted event this year.

Apple's softer side emerges under CEO Cook

"Those jobs aren't coming back."

That's what Steve Jobs reportedly told President Obama when asked at a dinner in early 2011 whether Apple would consider moving some of its manufacturing from China to the United States.