Welcome to the United States of America, where mobile service providers continue to rape our wallets whenever they get the chance. The latest perpetrator is Sprint, who — on top of charging an extra 10 dollars for 4G access to improve the network — has decided that everyone should be charged an access fee of an extra $10 dollars for “premium” 3G access. Now I’m not going to claim to understand how these mobile carriers can be making millions of dollars, yet I can’t receive but a signal from one of these carriers (Verizon) where I live; however, I do know that if these costs are rising when the networking…