The mobile phone market has grown significantly since 1990, with subscriber bases growing from 12 million globally in 1990 to over 300 million in 2005. While infrastructure costs once limited growth, service revenues now exceed operating costs and cover up to 85% of infrastructure costs. The US and European markets have grown the most, with the US having over 123 million subscribers and Europe having over 123 million in 2005. However, preferences vary, with the author believing Verizon has very fast service but could be expensive.