I think
BTC's first-use case was as a payments gateway.
But what other applications can the protocol solve? (including non-financial)
Feel free to add to the list. There are many Bitcoin entrepreneurs and technical experts using this forum, let's network and make happen
1. Contract exchange system.
2. Dispute Mediation/Resolution system.
3. Heating and Energy?
4. Agricultural management?
5. Voting system (Global consensus)
6. Global Remittance
That's all I can think of - Here's a list of global problems
http://www.businessinsider.com/the-10-biggest-problems-in-the-world-according-to-the-eu-2011-10?op=1 Can bitcoin help any of these issues?