FWIW - I don't believe it.
Rumor: Apple and AT&T Developing iPhone Tethering Plan
gizmodo.com — According to a pretty legitimate-looking email thread
from one of our readers, Steve Jobs may have responded to complaints
that, since the pulling of NetShare from the App Store, iPhone-to-
laptop tethering is impossible without jailbraking one's phone.
http://digg.com/apple/Rumor_Apple_an...Tethering_Plan