Yeah, I remember it as a kid. But it surprised me when they brought it back because people rarely used it. I still don't really get the point of it tbh, scanning items as you pick them up just spreads out the faff of scanning things and slows people down in the aisles.
Looks like they had it in 1996, 28 years ago. https://www.supermarketnews.com/archive/safeway-uk-expands-s...