The document discusses the growth of the mobile phone market from 1990 to 2005, with the number of subscribers increasing dramatically in the US, Europe, Asia and other markets. It also notes that mobile network infrastructure coverage expanded over the years, with infrastructure costs exceeding operating costs by 2002. Predictions are made that this growth will continue over the next five years. An opinion is also expressed that AT&T is the best cell phone carrier due to having rollover minutes and raising the bar, despite not being the cheapest option.