_ How does it work?
450 million people use mobile telephones globally
This outstrips the number using PCs
This is estimated to grow to 1.8 billion by 2004
Mobile phones will be as common as TVs
There are several types of wireless networks with different ranges from a few feet to thousand of miles
Personal area networks (PAN), local area networks (LAN)
Metropolitan area network (MAN) and wide area networks (WAN)
I. What is mbusiness?
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