Over the summer, my wife and I traveled with our two young kids on a two-week vacation through Europe. It wasn’t as highfalutin as it sounds. In London, our Airbnb had ample skylights which rendered the place all but uninhabitable during Europe’s heat wave. In Paris, our charming home-share had a cavernous hole in the ceiling of the entryway, revealing load-bearing beams that appeared to have been rotting since Napoleon’s reign. And in Amsterdam, our Airbnb advertised a kids’ bedroom stocked with toys but failed to mention the mosquitoes and mice. I’m not complaining. If travel mishaps are the stuff of memory, my vacation was unforgettable. And without home-sharing services like Airbnb, review sites like TripAdvisor and conveniences like Uber, OpenTable and Expedia, the trip would have been far more expensive, less accessible and, in a strange way, less authentic.