BlackBerry Wireless Communications Devices

"The BlackBerry is a wireless handheld device introduced in 1997 which supports push e-mail, mobile telephone, text messaging, internet faxing, web browsing and other wireless information services. It is a prime example of convergent device. Developed by the Canadian company Research In Motion (RIM), it delivers information over the wireless data networks of mobile phone service companies." from BlackBerry - Wikipedia

Research in Motion Limited