An interesting idea – selling a portion of your future earnings as an investment opportunities to others. You could argue that this is a logical extension of something we all accept – the state paying for a child’s education, or a company paying a wage with the expectation of making a profit on the labour:
http://www.theverge.com/2013/2/26/4031938/new-crowdfunding-platforms-let-you-sell-stock-in-yourself