When one door closes another door opens; but we often look so long and so regretfully upon the closed door that we do not see the ones which open for us.
—Alexander Graham Bell
Do we have a good case for a WiMAX service? This is a question that is often asked by operators. The response is often a well-reasoned plan with projections for various services such as broadband internet, data links, VoIP, video streaming, media downloads, etc. This approach cannot be faulted, and we will also proceed to analyze various services individually in this chapter in the same manner.