text: In conclusion, you should sign up because, One, you get a chance to help around the world, and two, because you can travel and see alot of places that you've never seen. It's alot of fun and great for the world. I hope you join!Imagine you could tell anyones emotions just from a computer. Thanks to Prof's new innovation you can! It can recognize emotions from a 3-d model of your face. I think it is a great idea for teachers to use on students in classrooms. I think it's a great idea because it can work on real faces or paintings, it can tell between fake and real smiles, and it can help students get better grades.