Sleek silver Ultrabooks arriving from major PC manufacturers aren't just Apple Macbook Air clones. Some of them even have options that Apple's laptop doesn't offer. Here's a guide.

All search engines thrive on advertising, and the longer your eyes stay on the search engine itself, the more likely it is that you will click on an ad.

This remote presence robot shows how technology can help people in the most difficult of positions lead a more normal life.

Price cuts for Apple's iPhone have spread to Best Buy, where the retailer has slashed the iPhone 4's price to $50.

More than half of US businesses still rely on conventional firewalls or intrusion prevention systems to shield themselves from the scourge of DDoS attacks, a survey by services firm Neustar has found.