Even before software as a service became a thing, it was pretty common to sell business applications on per-seat pricing. The bigger you are, the more you pay! At Basecamp, we rejected that model from day one, and have stuck to our guns for 13 years. Not because we don’t like money, but because we like our freedom more. The problem with per-seat pricing is that it by definition makes your biggest customers your best customers. With money comes influence, if not outright power. And from that flows decisions about what and who to spend time on. There’s no way to be immune from such pressure once the money is flowing. The only fix is to cap the spigot.