if you look at it, what uber and airbnb are doing is 'market making' in a sense. they create more of a market for transportation or lodging, in the sense that t

if you look at it, what uber and airbnb are doing is 'market making' in a sense. they create more of a market for transportation or lodging, in the sense that the connect buyers with sellers, allowing people holding extra housing or transportation services to more easily sell it. in a way, this transition - from large enterprises dominating a market, to lots of small buyers and sellers - is the same transition as waterfall development to agile methodology. you replace a big, slow, ponderous thing with limited options with something smaller, faster, and more nimble.