Network effect. I'm a freelancer and clients frequently demand Skype conversations. Asking them to join some Skype alternative site/app X does not work, they ju

Network effect. I'm a freelancer and clients frequently demand Skype conversations. Asking them to join some Skype alternative site/app X does not work, they just complain about the need of too much tools to get job done. I cannot cause too much pain for my clients as I would lose them.