Here’s an enterprising young electrical engineer who wanted to directly impress all those who received one of his business cards. What did he do? Well, he did some electrical engineering on the business card itself.

When it first came out, the iPhone cost $599 and required a two-year AT&T contract. Now the new iPhone 4S is much cheaper and is available on three major nationwide networks. But the retro price tag will soon be returning as the iPhone debuts on prepaid wireless carriers Cricket and Virgin Mobile, with a third (Boost Mobile) rumored but not yet confirmed. Off-contract prices for the iPhone 4S will range from $499 to $649.

At E3 this week I had the opportunity to spend a little bit of time with PlayStation’s new interactive book product Wonderbook and its first title Book of Spells. The entire experience can be summed up in just one word: magical.

Swiss bank UBS AG may have lost as much as $350 million due to technical glitches on the Nasdaq stock exchange the day Facebook went public, according to reports published Friday.

The state of Rhode Island is working to determine how much it stands to lose in a $75 million loan guarantee deal for former Red Sox pitcher Curt Schilling's video gaming company after its bankruptcy filing this week.

Are you constantly misplacing things? A couple of inventors might have a solution to your age-old problem with Kinsight, a system that helps you retrace your steps when you’ve lost something by tracking you and how you interact with your stuff.

With $48.1 billion in net sales last year, Amazon is certainly the leading Internet retailer. But how does the company fare in other areas, such as employee satisfaction and corporate social responsibility?

The Associated Press-NORC Center Poll on energy efficiency was conducted from March 29 to April 15 by the AP-NORC Center for Public Affairs Research. It is based on landline and cellular telephone interviews with a nationally representative random sample of 1,008 adults. Interviews were conducted by NORC at the University of Chicago and included 752 respondents on landline telephones and 256 on cellular phones.

Facebook announced its App Center Thursday night — but it wasn’t immediately clear how users would benefit, or whether it simply added another layer between you and apps you download to your smartphone.

1. Kikkerland Dynamo Solar and Crank Emergency Radio