I loved the "achievement unlocked" feeling of completing online courses and getting a pdf saying "you did it!", so I tried to complete the classes for that (suc

I loved the "achievement unlocked" feeling of completing online courses and getting a pdf saying "you did it!", so I tried to complete the classes for that (such a PDF has no real value, especially since I did classes on random topics I like, not job related). I can see why Coursera/edx etc stopped giving out these certificates if you don't pay for them, but it has caused me to basically stop completing free online classes.