I have verizon aircard with 5GB plan which supposedly almost limitless(that's what the salesman at the verizon shop told me when I opened the acct). Then I received first bill, I got over $2, 500 surcharge stating that I used over 7GB. My aircard usage record shows I only used less than 2GB, and I never reset the usage that shows detailed record each session I used . I brought my laptop to the shop and talk to at least five customer service people on telephone, They just say that their record is correct, but they would give me credit for... read full review »