you can explain how good btc to them, how much profit they will get, only with their computer capital can produce a little btc and if they seriously do it then they produce big btc by following signature campaign. not at risk
If I am very simple to convince people about bitcoin, just do good with the way of royalty or a lot of spending money so they ask questions and there I will explain or explain why I am much money. because people will be more interested if you see the real and I explain about the bitcoin and its advantages other than it explains how it works to be more interested and slowly they will eventually be interested to join. because bitcoin can make money and can realize the desire that has not been achieved, my way is simple but interesting ..