Don't forget, before Steam was the dominant game distribution method, game discs: * Required you to type in a serial number (at best), or went online to actual

Don't forget, before Steam was the dominant game distribution method, game discs: * Required you to type in a serial number (at best), or went online to actually download the game binary (at worst). * Needed to stay in the CD drive in order to play * Could not be copied as a backup if the disc ever got lost or damaged. * Was a major cause of scarcity for a digital product. The concept of ownership was already eroding before Steam was created.