Technology

Amazon sold just 750,000 Kindle Fire tablets during the first three months of 2012, well off its fourth quarter mark. Apple sold 11.8 million iPads. And the future looks even more grim for the Fire.

Experts offer low-cost alternatives for upgrading your PC.

Once ballyhooed as "the Internet's largest marketplace for buying and selling all things automotive," eBay Motors' numbers have been slipping. But eBay's attempt to goose profits at Motors looks more likely to put them in reverse.

Expense reports: They are the bane of the busy business traveler. Between saving all those receipts, scanning them, documenting, and filling out the paperwork, recouping your money can be a mammoth time suck. It doesn't have to be.

When money and friendship mix, the results can get awkward: You front a friend some cash, and then what? Venmo, an app that helps you exchange money through mobile devices, is designed to remove that awkwardness and replace it with something social, and even fun.

You know that old iPhone 2 that's sitting in your desk drawer, or maybe an old Blackberry (gasp!) that got stored alongside your Guitar Hero peripherals? Well, EcoATM wants them, and is willing to pay.

Just as useful as apps for investors, these personal finance tools focus on helping you save more, earn more and spend more efficiently.