While some people invest in ideas - most who invest at that stage do so because of the people involved. I`d look to "build" a team around your idea - one that will be attractive to capital sources.
Investing in the currencies of the different countries in the world is the most exciting market available. Forex investing is buying and selling these different currencies which are grouped together in currency pairs. This simply means the currency of one country is paired with the currency of another, the investor chooses which two currencies to buy or sell. In this worldwide market something is always happening that changes the value of money.