No.2 pencils are widely used, but you may not know what the number actually refers to. This video explains how pencils developed into their modern form and the significance of the labeled numbers.

His fame surpassed only, perhaps, by the little yellow pencil in his hand: a No.2 Ticonderoga pencil ... it might as well be a brand he knows and loves. But the days of Lee shaking his pencil ...

Still, the best iPad stylus right now for most people is the Apple Pencil 2 or Apple Pencil Pro, though we've tested other options to explore. What is the best iPad stylus right now? Our top ...