Noise and distortion may be just some Telecom courses but I think we need to learn about them in our actual life! some guys are just like noises, trying to guide you not to get what you are trying to get. and some others are distortion kinds, causing a pretty difference in what you've expected for. as it comes in physics these are natural phenomenal things we may decrease but not omit them; it's the same in humanity, unfortunately!
have you ever seen the movie "saw"? it's a full user manual to torture guys you hate! but some tools are needed!! it's also a new way to ruin your night with a nightmare if you watch it in the midnight!