text: To synthesize, the Facial Action Coding System would not be a valuable tool within the classroom because it lacks the ability to de-code other sensory based emotional expressions, can be replaced by humans, and is far too expesive. Although the software is useful, it is not practical nor diverse enough to be used within the classroom. If the FACS could be more efficient, especially with it's purpose, it might be a candidate for a positve addition to the classroom, but presently, it serves no new purpose.Can you believe that there is a face on Mars!? The Face on Mars is actually not a face but a natural landform for the following reasons, the facial features are just shadows, there isn't any real proof that aliens created it, and scientists have research that is proof of it not being alien-made.