(1) This is a clever implementation. Maybe with a mobile camera it can be even more convenient to use? (2) True knowledge work requires breaks, and can not be measured with simple metrics like "boss watch what on screen" or "lines of code" (3) Even true knowledge workers can get into a non productive youtube loop, and sometimes external influence helps to prevent procrastination (4) If your relationship with the boss is based on these types of system, you better look for another place where you are respected 360 for your contribution (5) We should respect people that can not easily find interesting work or bosses that respect you (6) Communication, context and respect are always better than authority, hierarchy, and politics. Alas, humans can be very good at both