Behind The Code #3 - One part of software developement process I've underestimated the most

When we learned about this in the Uni, I've thought it's a complete horsesh*t and waste of time. The company I worked for back then wasn't using any of this and still managed to ship the products...But the company I work at nowadays uses all the concepts I've described in the video and maan, it makes a huuuuge difference..