Users of AT&T’s cellular phone and data service will soon have a Mac-compatible alternative to connect online without using a PC Card or ExpressCard slot. Sierra Wireless and AT&T on Wednesday ...

Q I switched my Dell PC from Windows Vista to Windows XP in order to go from a dial-up Internet connection to a faster broadband connection from AT&T. Now I want to go back to dial-up access to save ...

Brooke Crothers writes about mobile computer systems, including laptops, tablets, smartphones: how they define the computing experience and the hardware that makes them tick. He has served as an ...