Wow! I should've thought to check that.
> I'm not sure where it comes from because the SNES/Genesis/Saturn versions of the service didn't use it. Maybe it comes from the short-lived PC XBAND service?
My guess was going to be that it was used in marketing copy, but that doesn't explain how it wound up distributed apparently freely. The idea that it is related to the PC XBAND service seems likely to me, though. The dates line up, based on this press release: