Today I had to erase a giant whiteboard. It was a huge board that stretched across an entire side of the wall. It’s easily 20 yards across. But it was filthy. Someone had previously attempted to clean the board. That was obvious. It was streaked from top to bottom with a heavy black film. Someone had probably sprayed that cleaning solution all over the board and used the eraser – not a clean paper towel – and instead of cleaning… Read more