(f) is deemed by Google to have a virus or is deemed to be malware, spyware or have an adverse impact on Google's or an Authorized Carrier's network; Using the

(f) is deemed by Google to have a virus or is deemed to be malware, spyware or have an adverse impact on Google's or an Authorized Carrier's network; Using the network's bandwidth to tether (since you didn't pay extra for it or is not authorized to) is deemed as having an adverse impact on the carrier's network.