http://www.businessinsider.com/veri...silicon_alley_insider+(Silicon+Alley+Insider)
It was first noticed by an employee at RWW, who was directed to this explanation page by Verizon. The site implies that jailbroken tetherers need to sign up for one of Verizon's mobile hotspot plans.
Read more: http://www.businessinsider.com/veri...insider+(Silicon+Alley+Insider)#ixzz1UH5w86Oq