Mind control techniques

We've all watched hypnotists and the like at live events, TV shows and even at street performance events. We've all thought how amazing it is to be able to influence how people behave. The funny thing is we can all influence how people react to us and behave. It's dead easy and I can show a couple of things that will make people nicer to you, give you better service when you are out and even have an effect on peoples days after you've left their company.