The vision is to use bitcoin to enable automated micropayments between devices. One example that Marc Andreessen has talked about is sharing your network connec

The vision is to use bitcoin to enable automated micropayments between devices. One example that Marc Andreessen has talked about is sharing your network connection with neighbours: http://www.wired.com/2015/03/opinion-bitcoin-may-gets-us-real-net-neutrality/ http://www.wired.com/2015/03/opinion-bitcoin-may-gets-us-rea... 21 aims to provide the tools and build the full stack infrastructure to make that happen.