Choosing a Service
Each type of wireless access to the Internet offers a different combination of cost, coverage areas, reliability, ease of use, and security. Your choice will depend on your particular needs and the availability of signals in the locations where you need wireless Internet access.
For example, if you use your computer in just a few places and all of those places are within range of Wi-Fi hot spots, the built-in Wi-Fi adapter (or an inexpensive plug-in adapter) is probably your best choice. It's likely that Wi-Fi hot spots already exist at your workplace and in the libraries, coffee shops, schools, and conference centers where you regularly spend time, and it's relatively easy and inexpensive to install one or more access points ...
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