Sometimes you can be just outside the range of conventional high-speed wired ISP access and your only option is dial-up, or being on the edge of certain types of wired networks can seem like dial-up when your paying for high-speed.
In these instances there are solutions that exist between the use of Cellular Networks and Satellite Networks. Most people without a readily available internet connection in their area are within a CDMA or GSM Cell Network.
In the event that cellular is not available. The creation of a Wireless Network with a Satellite Uplink covers 99% of all remaining situations.