There was a strong ethos of community when startups like Lyft and Airbnb helped kickstart the "sharing economy." Lyft had passengers sit in the front seat and fistbump their drivers, and Airbnb CEO Brian Chesky once remarked that his company was "in the business of meaningful experiences." But it looks like the kumbayah days of simply renting your spare room or backseat for some extra cashe are giving way to the capitalist world we are all familiar with. One where in addition to paying for your space, guests and passengers pony up for snacks, treats and other sundries.