Smart locks from August, Goji, and Yale bring high-tech features to front doors. You can grant access when away and see who's there. But make sure your phone is secure.
Incandescents are history. Now Americans must choose between halogen, CFL, and LED light bulbs. Each has its perks.
Automakers have found new ways to save energy, such as the Ford F-150's new aluminum body and Chrysler's nine-speed cars.
Sony's PlayStation 4 allows single-player gamers to share online.
Microsoft's Xbox One tackles games, movies, VOIP, and Internet, all voice-activated.
Extend the life of a lithium cell by not topping it off. The 40-80 rule can extend the life of your battery, but be careful to keep it out of the heat.
Intel's new 'Haswell' chip will markedly extend battery life.
Motorola's 'Ara' will give consumers many options.
There are as many ways to take a screenshot as there are devices.
Thumbprint, heartbeat, even posterior 'readers' emerge alongside the popular iPhone 5S.
The Google Now app peers at your data and offers suggestions.
Will the Pebble smart watch spark new app flurry?
Disney Infinity follows Skylanders lead with toy – and digital – heroes.
Blown call in World Cup ushers in computer system.
Netflix, Amazon, iTunes, and Hulu each have perks and costs. Stream on.
Thinking of cutting the cord? High-tech antennas let you capture HD-TV signals.
Amazon, Wal-mart, and eBay dive into same-day delivery.
Headphones from 'Beats' inspire many copycats. But are celebrity headphones worth the money?
On the eve of its IPO, Twitter is rolling out a revamped Vine app.
T-Mobile said today that it would extend its 'un-carrier' program to tablets such as the Apple iPad Air and Google Nexus 7.