moving off the shelves and into the shop and, what we would do was erm  deli people now do er, stock an order by computer and, and people like sainsburys were doing that in the seventies, you know, and they would actually work over  er work on erm  data erm, from their computer  and order er erm  you know, okay, they'd be an event at the weekend or something and they'd, they'd of, increase it or something, but they would technically work out exactly what the throughput of certain items were.