I think you're right on the money (no pun intended). The technology is there. If government doesn't get in the way (which they will), market forces would dictat

I think you're right on the money (no pun intended). The technology is there. If government doesn't get in the way (which they will), market forces would dictate that a company (Facebook or other) would use this technology (Blockchain) to make these sort of transactions more efficient and cost-effective for everyone willing to adopt them.