Spamming had been practiced as a prank by participants in multi-user dungeon games, to fill their rivals' accounts with unwanted electronic junk.
spAmmiNg HaD bEen practicEd AS A PraNK by PaRtIcipantS IN muLti-usEr dungeon gaMES, to fiLL theIr rivals' aCcounts wiTh UnwaNteD EleCTrOniC jUNK.