Digital goods are different than physical goods: they are (mostly) easily reproducible. If I build a house for myself, building a house for you is still a trem

Digital goods are different than physical goods: they are (mostly) easily reproducible. If I build a house for myself, building a house for you is still a tremendous amount of effort and expense. If I build a piece of software for myself, giving you a copy is nearly zero effort. This produces extremely different economic dynamics.