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ABSTRACT
The telegraph was the first effective electronic system for communicating over long distances,but it was inconvenient to use and required specialized training.It wasn't until the emergence of the telephone that consumers appreciated the benefit of easy to use, ubiquitous communication.In the past decade, the typical PC has emerged as the new household tool for communication, whether through email, web browsing, or file sharing. However, for most consumers, the PC is an awkward first-generation system that is complex and unreliable. |
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