Unsurprisingly, XKCD has already contemplated this:
https://xkcd.com/993/
British supermarkets had this long before the XKCD, though they've since reverted to more traditional design.
Search Tesco Value or Sainsbury's Basics for the 1990s version.
alt Hacker News
British supermarkets had this long before the XKCD, though they've since reverted to more traditional design.
Search Tesco Value or Sainsbury's Basics for the 1990s version.