sentences:  As Nintendo's first rewritable storage medium, it was replaced by the Famicom Disk System in 1986.Home game consoles may present the player with the opportunity for storing game positions and original user-generated content such as custom game levels.Based on the read-only memory cartridge medium, the premium cost of easy-to-use solid-state data storage technology, such as battery-backed memory, drove the 1980s market to seek cheaper compromises.