Instead of yelling and spanking, which don't work anyway, I believe in finding creative ways to keep their attention - turning things into a game, for instance. And, when they do something good, positive reinforcement and praise. ↗
No matter how skillful you are, you can't invent a product advantage that doesn't exist. And if you do, and it's just a gimmick, it's going to fall apart anyway. ↗
I've occasionally wished I had Caller ID. Even telemarketers, I hate to hang up on them. I try to explain I'm not interested, but they have all these canned responses so I end up having to hang up on them anyway. ↗