Probably AT&T. Either because WiFi is technologically not too friendly with CDMA, or because CDMA is considered by some better for data and GSM not so good. Seems like a lot of GSM phones have WiFi. Especially AT&T. Their hi-speed data coverage is slim in the states. So it depends on it. I think.
Now that we've thrown 'em off the trail, use the form below to get in touch with the people at Engadget. Please fill in all of the required fields because they're required.
Probably AT&T. Either because WiFi is technologically not too friendly with CDMA, or because CDMA is considered by some better for data and GSM not so good. Seems like a lot of GSM phones have WiFi. Especially AT&T. Their hi-speed data coverage is slim in the states. So it depends on it. I think.