Uh article clearly states father didnt have a data plan.
the same charges would apply if you teather without a teathering plan. like using pdanet or something similar.
Yep but the fact that he didnt have a data plan, means theres no way of knowing whether he was tethering or just spending his whole days surfin. Ive had my phone for less then 2 weeks and well over a half a gig with no tethering, its not hard to get to huge data usage without tethering.