I understand that we live in a digital world, but there are certain things that seem unnecessary to me, such as this type of test. The machine is not technically helping the student in any way, other than stating their emotions at the time. The machine did nothing to alter these emotions. For example if the student was bored, the machine did not make the session more entertaining for the student. If the kid looked confused, the machine did not go over and explain again what the student was not understanding.

Because these machines are not able to feel, and are only able to read emotions, I feel as though they are not equipped to be part of "online courses with sometimes hundreds of students, hundreds of miles away from the professor".

Robots don't feel emotions, yet, but they are able to project the emotions of other people. Which would make it look like they are the ones feeling the emotions. Something humans do all the time called empathy. When your friend is sad, you yourself project sad emotions as well. So does it technically matter that the robots emotions aren't genuine? There is still some sort of human value to that.

I think that the problem- and why I find it somewhat controversial- with artificial intelligence that does in fact have emotions, where does that put us, humans? Right now emotion is the only thing separating us from them? If they start acting like us, feeling like us, and looking like us, how will we differentiate from one another? Will it come to a time where we have to ask someone we just met if they are human or robot? Would robots with emotions be deemed as humans?  (This reminds me of Ted 2)

If robots were to start developing emotions, wouldn't they realise they are being used as "slaves"

- robots are taking people's jobs now a days in order to decrease human error, and so that companies would not have to worry about paying their employers, as well as they can work longer hours.

What would happen if these robots were to gain consciousness? Would they rebel, just as human would do?

This reminds me of a movie I watched earlier this year, Ex Machina. Where a young programmer at a huge company wins a contest that enables him to spend a week at the private estate of his firm's CEO. He has been chosen to be the human component in a turing test to determine the capabilities and consciousness of Ava, a robot. It later becomes evident that Ava is far more self-aware and deceptive than they had imagined. One could argue that Ava had learned how to develop emotions and was conscious. Or she became advanced enough that could act out emotions, rather than feeling them, in order to manipulate the men. Her emotional state cannot be proven.

This makes me question to what extent one should trust artificial intelligence. Is it possible for them to become so advanced that they could realise what is going on around them, and turn their back on their creator?

What would happen if human and robots would coexist?

"Emotionally Intelligent Machines Are Closer Than Ever." Motherboard. Web. 12 Dec. 2015.