"Open source is a bit the same. There are some who pay for the 'full-price rooms/seats,' while others pay by sticking with a project for a long time, devoting either small amounts of cash or code. Marten Mickos talks a bit about this when he refers to those who have more time than money (me sitting on the plane for 125,000-plus miles each year) and those who have more money than time (those that buy their seats in first class).
"But what do we do about the majority of people in open source who neither contribute cash, code, or anything other than taking up a seat/room...?"