What are the biggest 'disruptors' for Procurement?

It's hard to imagine booking a hotel without first consulting your options on AirBnB, let a lone without validating marketing claims via TripAdvisor. Industries the world over are being utterly transformed....Think what Uber has done to transport....iTunes to the humble CD.....even Kindle to the corner bookstore. So isn't it time we ask what's in store for Procurement? And do we make sure we're not left behind? On April 30, The Big Ideas Summit will be tackling all the biggest issues for Procurement and Supply Chain. We want to know what you think will be the biggest disruptions for Procurement before 2030...And what are your Big Ideas for staying ahead of the game?