This works for both the power user and the casual user.
Sit down to the Windows 8 computer. Make sure you have a Windows 7/Mac OS/Linux computer next to you. Now the moment you get confused about the Windows 8 screen, go to your other computer and click Google. Then type how to....
That is how I do it for Win 8 and Server 2012, and I have been using Microsoft since DOS 1.0 days.
Several types of systems could be developed including competing ones. But if you think about this, it could backfire on Amazon, because if there are local operators that offer the service to local merchants, and since Amazon now has to pay sales tax, the local merchants may be able to compete with Amazon.
You are right about altitude the higher up the stronger the winds and lower the temperature and air pressure. Some engineers would have to determine the optimal flying range of those parameters for the drone.
What it really is affecting their freedom through tenure to do whatever they please rather then trying to serve the public as they should be by teaching.
I hope this kills the concept of tenure, having absolute job security is analogous to having absolute power, IMHO.