Services disrupted included major retailers, airlines, social-media apps, financial-services companies and more. Amazon said its systems have recovered.

When David Heit joined Research In Motion in 2000, the companys wireless e-mail system was only just becoming a favorite in executive circles and he was tasked with looking for the firms next big thing. Six years later, RIMs BlackBerry handheld devices and ...

Thanks to synchronized calendars, address books, and other popular programs, PDAs have helped keep millions of corporate users organized. However, mobile devices won't realize their full enterprise potential until they provide a genuine lifeline to a ...