Grr Cell Phone Freaks

OK, here is my Vent..... Customers who WILL not get off their damn cell phone, but expect my full attention to wait on them! have a little common coutesy, and what's with Yappin on the damn phone the entire time you are in the store? and half the times, these people are Yellers.... ya know the type they think they have to scream into the cell phone.... Grrrr!! Yeah i know i am just a lowly cashier to these people, but if you want attention and respect from me, show me some!