If your Mobile Phone Battery is Low you find hardly very few power points, out of that few Don't work. Its Difficult to find a plug point to Charge your mobiles or laptop. In Terminal 3.
Be careful when leaving and finding a taxi. People near exit doors offer a taxi service but not legit (gypsy taxi), up to 200dirham for ride. Use dual colored RTA taxis. 70dirham into city center.
Security rules seem flippant. Carry-on items that clear security one week, won't necessarily make it home the next. Your laptop network cable for instance...