invisible

She also said the Welsh government must ensure "all children in Wales can be accounted for and that none are invisible".

The draining of groundwater, often invisible, hides how much arid regions are drawing down their reserve accounts, he said.

Still, the DNA of The Office runs through The Paper, with the same invisible film crew behind the lens, and fans will spot at least one familiar face in front of it: Oscar Nuñez.

"I feel like, when our motivations are invisible, even to ourselves, all of us are unreliable narrators," he said.

Hidden tabs are a common feature in spreadsheet software and make information invisible to the user, but still easily accessible if the settings on a document are changed.