But the message must contain a specific series of Arabic characters, so you're likely to receive it only as a prank. And there are ways to resolve the problem.
Sharon Vaknin, Donald Bell, and Eric Franklin tackle DIY projects and tech makeovers.
With new functionality for the Start button and separate experiences for desktop and tablet users, the Windows 8.1 update finally gives people what they want.
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The search giant has found a new purpose in all our lives: Bringing together the various products and services we use to work together as easily as possible.
Originally $370, this highly regarded system comes refurbished from Lenovo and includes a full one-year warranty.
When Google unveiled its smart and controversial eyewear three years ago, some early tech adopters tried to do their part by eagerly pushing for Glass acceptance. The world pushed back.
Want to know what your next phone's operating system will look like, how Google wants to manage all your photos or how you'll pay with your Android phone? Look here.
Smart cards want to replace your wallet full of debit and credit cards with one dynamic smart card. Here's what you need to know.
Commentary: Forget the privacy issues -- it was a long list of other shortcomings, social and technical, that doomed Glass. Can Google learn for the next go-round?
Ceres appears to have a pair of cosmic headlights reflecting the sun. As NASA's Dawn spacecraft approaches, they're looking smaller, but no less mysterious.
Microsoft's subtly updated Windows 8.1 tablet feels more like Surface Pro 1.5 -- improved battery life and better accessories make it a worthwhile (albeit pricey) laptop replacement, but it's still not an iPad-level category killer.