shared economy

The rise of crowdsourcing, crowdfunding, crowdtransporting, crowdletting, etc., has transformed our economy. It has also ushered in the era of the shared economy. Previously marginalized people can now contribute, no matter how small, to all walks of life. It seems to be a fantastic opportunity for the world to access the untapped skill of the crowd. But what about the people whose jobs this makes redundant? Whither the expert?