None of them invented the pencil.

The pencil was invented in 1565 in Borrowdale, Cumbria, which is not Wales but is close enough for our purposes. The gas bill has been available since the introduction of domestic gas supply. Together, they constitute a complete cognitive offloading system requiring no subscription, no beige background, and no illustrated corners. Big Stationery doesn't want you to know this. The Ancient Welsh Brain Dump Protocol™: How I Cleared My Mental Fog Using a Pencil and the Back of a Gas Bill