> the clicking of the keyboard and the fans and harddrives of the laptops created a distracting noise. Tablets are specifically allowed. Why not just ban the

> the clicking of the keyboard and the fans and harddrives of the laptops created a distracting noise. Tablets are specifically allowed. Why not just ban the noise itself? Why deal with the inevitable complexity of attempting to capture the causes of the noise in a system of arbitrary categories, and suffer the collateral damage of suppressing activities and objects that aren't generating noise, while still subjecting yourself to non-laptop-related sources of distracting noise?