"Verizon Wireless, the country’s largest cellphone company, says it will start charging $30 every time a subscriber wants to upgrade to a new phone.Verizon Wireless to charge for phone upgrades - Business - The Boston Globe
Other cellphone companies have introduced similar fees. Competitor AT&T Inc. raised its fee from $18 to $36 this year.
Verizon Wireless says that it will start charging the fee on April 22, and that it will help fund customer support and online educational tools."
Thursday, April 12, 2012
Verizon Wireless to charge for phone upgrades - Business - The Boston Globe
There should be Verizon and AT&T icons in the Wikipedia article for "oligopoly"