Came across some files w/ the extension *.PLJ on a couple of archived Zip disks. Not remembering what they were, I Googled a bit & despite there being little info, found out that they were ad-based, but mp3-like, audio files from "PlayJ", once part of a now-defunct "EverAd" company. That's nice to know, but these files are dated 2000, so what can one use to play or convert them, today?