Using skype is a great idea.It is alot easier to show someone how to do something rather than tring to explain it through words. You also get to know the there personality and see there reactions on your topics. For some people it is very hard for them to communicate thier true feelings through words,using skype they can talk to you or even show you exactly what they are not understanding. This is one of the best ways to communicate with your downline to get the maximum results.