Don't underestimate the blanket coverage that Skype achieved. I do interviews with people all over the world who have Skype already installed on their computer

Don't underestimate the blanket coverage that Skype achieved. I do interviews with people all over the world who have Skype already installed on their computers. If I shifted to a different program -- even if it was better -- I'd have to spend time helping instal the new app before we could start our conversation.