Estimates of how many people demonstrated against Mohamed Morsi in Egypt at the end of June have varied by tens of millions of people. Is it really so hard to quantify such gigantic masses of human beings? The numbers are important because the size of the demonstrations was used to justify the military coup which followed them. If anyone had actually cared what these numbers were, the Egyptian military gave them a simple tool: aerial overhead videos of the demonstrations.
Here is a reality check.