In Kenya, where there are 50 mobile phones per 100 people, only 16% of the population has access to electricity. This reflects the fact that cellphone towers and handsets are much cheaper than pipes and copper wires, making it possible for the poor to pay the fixed costs.
事实上，许多用移动电话的印度人还得使用旱厕，因为中位收入印度家中没有自来水。在肯尼亚，每100人拥有50部移动电话，但只有16%的人能用上电。这反映出一个事实：手机信号塔和设备比管道和铜缆便宜得多，这使得穷人能够负担固定成本。