Today after reading these posts I went to CVS. There is a customer at the counter and it seemed the clerk has bagged all the items and is waiting for customer to pay. Customer has her cellphone on the counter and is typing on it. Remembering this post, I stay back and keep a pleasant look on my face though clerk glances to me a few times with an apologetic smile. I'm thinking customer was looking for a coupon code or something to do with her transaction. After a couple of minutes, she finally leaves the cell phone alone, gets out her credit card and pays then goes back to her phone as clerk tries to hand her her receipt and bags. Customer remains at counter for half a minute more and finally takes the items and then turns to me and says "Sorry, I was in the middle of playing candy crush." The clerk confirmed she wasn't joking.