What happens when the cost of moving money is free?

A 2 min video looking at the rise of micropayments industry, digital currencies and even a GoldmanSachs coin!

 This was a question posed by the Co -founder and CEO of Coinbase Brian Armstrong earlier this year on Twitter

Even when it was relatively cheap to send text messages people still sent very few compared to WhatsApp which for some has become the way to communicate as its FREE and global with no consideration of where WhatsApp massages are sent from or to

Are we to see a revolution in payments as they become free or...