For me, the tactile sensation of chalk on a blackboard is deeply irritating. Something about the noise it makes, the dust and vibration it just repulses me. A w

For me, the tactile sensation of chalk on a blackboard is deeply irritating. Something about the noise it makes, the dust and vibration it just repulses me. A whiteboard has none of these drawbacks and it also requires less effort to make a mark on the board.