These days, there’s almost no aspect of commerce that hasn’t been radically transformed by technology. Uber lets you summon a privately driven car to chauffer you, Seamless let you order takeout without ever speaking to a soul, and thanks to Airbnb, you can sleep in another person’s bed.

But the shift to having everything at your fingertips at the tap of an app hasn’t been without its bumps. Ride-sharing apps have been blamed for worsening traffic congestion, Amazon has been accused of subjecting its warehouse workers to brutal working conditions, and Airbnb has been a source of great debate in places like New York City.

To learn more about online marketplaces today, we sat down with Apostolos Filippas, an assistant professor of information systems at the Gabelli School of Business.