PCWorld's editors band together to solve the greatest PC mysteries! Find out why your PC beeps on startup, what a .dat file is, how USB 2.0 and USB 3.0 differ, and much more!
How did the four major carriers perform in our testing of 3G and 4G wireless service in Atlanta, Boston, Chicago, Dallas, Denver, Las Vegas, Los Angeles, New Orleans, New York, San Francisco, San Jose, Seattle, and Washington, D.C.? Check out our city-by-city performance charts.
Tech is fast moving into fashion. You can now detect Wi-Fi with your T-shirt--and soon you may be able to signal a left turn from your bike with an LED glove.
Use our experts' guide to in-store testing before you spend big bucks on your next desktop.
Use our experts' guide to in-store testing before you spend big bucks on your next laptop.
Windows 8 supports a slew of keyboard combinations for easier navigation.
Mobile World Congress is the largest show for phones and sets the tone for annual mobile trends. Ginny Mies gives us a sneak peek at the 2012 show.
These enhancements include exotic skins, clever devices for transferring files, great ways to game with your phone or tablet, and more.
Online consumers need a legal framework that imposes security responsibilities on internet companies like Facebook and Google that host our personal data.
If you're serious about portable gaming, the Sony PlayStation Vita is a top-notch device. Its 5-inch OLED touchscreen is gorgeous and gameplay is superb, but the use of proprietary memory cards is a blemish on an otherwise outstanding product.
Facebook has finally announced its IPO, filing a valuation with the SEC valued at $100 billion dollars. If everything goes as planned, the IPO could create between 500 and 1000 new millionaires at the company.