CmdrTaco from the sing-the-music-honey dept.
An anonymous reader writes "Playing Tetris increases the density of the cortex and improves the efficiency of some parts of the brain, according to researchers investigating video games and other complex spatial tasks." Unfortunately, storing a half million copies of the song negates any practical functional gains beyond loading your trunk very efficiently.
If it happens once, it's a bug. If it happens twice, it's a feature.
If it happens more than twice, it's a design philosophy.