TechBytes: Facebook, Leap Frog

New App Pays You to Exercise

Users input credit card information and agree to pay a penalty for each missed workout.

New Battery Technology Could Quadruple Your Phone's Life

Researchers at Stanford say they've discovered the "holy grail" of batteries.

4%: A Jump in GDP

U.S. economy improves nicely in second quarter.

TechBytes: MacBook Pro, Twitter

Apple's new MacBook Pro will have a significant boost in speed.

High School Senior's Invention Aims to End Hot Car Deaths

Alissa Chavez's Hot Seat sets off an alarm on a parent's key chain if their child is still in their car seat.

OkCupid Says It Lied About Matches, Experiments on Users

One of the nation's most popular online dating site is admitting it set up customers with bad matches.

Consumers Find Justice Through Social Media

Learn the best way to resolve your issues with a company through Twitter or Facebook.

LA Clippers' Matt Barnes Turns to Twitter to Find Aunt's Killer

The NBA star pleaded with followers to keep an eye out for Michael Williams, the prime suspect in the murder of his aunt.

TechBytes: Cadillac, T-Mobile

Cadillac will move further into the future with more charging and smartphone compatibility.

TechBytes: Bose vs. Beats; New Motorola Phone

Beats headphones faces patent infringement allegations over noise-cancelling technology.

Robots Help Baseball Fans Cheer in South Korea

The Hanwha Eagles allow fans who could not make the game to control a robot filling seats in the stadium from home.

6-Year Old Gets 3D Printed Bionic Arm

In just eight weeks a team of grad students at the University of Central Florida pioneered a prosthetic that costs $350.

UCF Students Design 3-D Printed Bionic Arm for Boy

Engineering students in Florida designed and built a prosthetic arm for only $350.

$126 Million: Amazon's Net Loss Last Quarter

Stock slumps on report.

Secrets to Avoid Getting Stuck on Telephone Hold

ABC News' Matt Gutman has tips on how to make those long minutes a little easier.