From trying to hold remote meetings in Skype, I've learned that the number of versions of Skype that a colleague has installed is inversely proportional to the

From trying to hold remote meetings in Skype, I've learned that the number of versions of Skype that a colleague has installed is inversely proportional to the their technical ability. Usually it's easier to get someone to install Skype on their smartphone and call in that way than to sort out the confusion on their computer.