My experience with AT&T is one of the worst encounters I've had when dealing with a service provider. I have their 1.5mbps dsl service at work which is something that I use for light browsing for making online orders and for entertainment. For a few months I noticed that my bill was around $40 higher, but I just thought it was from long distance and didn't pay much attention. Then I started to get calls from AT&T. ATT: "Hello, would you like to upgrade your service to 6.0mbps free for charge for the next 3... read full review »