Scary Alien hit it right on the head!
Most people you would have no problem with (for example, checking to make sure the phone is able to be reactivated on VZW's network). For others it's a sure fire/easy way to clone your phone and otherwise make your life miserable (and that would all be the GOOD things).
Typos or odd wording??? I blame Swype for the Swypo's!
In use: (1) Samsung Galaxy S4, (1) Nexus 4, (1) Nexus 7, (1) Galaxy Tab 10.1
Recently retired: (1)Nexus 4, (2) Droid Razr, (2) Droid Charge, (1) Samsung Epic 4G, (1) HTC Evo, (1) HTC Hero