User blog comment:Damac1214/Black Ops II Patch Notes + Micro-Transactions on the Way/@comment-3111946-20130313183045/@comment-92.20.105.178-20130313215327

A good use is to make classes for different game modes. Eg. I have a normal selection, a CQC, a long range, a SnD and a hardcore selection. Its really useful and just saves time really.