Parsers are the those components of the computer world which makes communication with computers possible by using a language.

WARNING! Only for what most of people call “nerds”… Dr. Parr presenting his ANTLR4 parser in this video.

The interesting but not so unexpected is that this video has ~7000 views in ~1 year. If you want to see what most of us consider “main stream” please check the videos with the largest amount of hits.
By considering the Youtube “hits” as an indicator of “quality” one my be easily confused…