For me it was downloading mp3 files and only letting Winamp play them on repeat as they download. At first you just got a second or two of sound, and it would

For me it was downloading mp3 files and only letting Winamp play them on repeat as they download. At first you just got a second or two of sound, and it would add maybe a second on each play. Eventually the magic of compound interest would get you the whole song, and that was a major adrenaline rush