Question: what does it mean when you capitalize random letters?
Answer: Nowadays, there's the common practice of typing a word in all caps to indicate SCREAMING, the use of aLteRnAtInG cApS (often associated with SpongeBob memes) to convey mockery, or a complete lack of capitalization, which can be done purposefully to come across as extremely chill, or simply because one can't be bothered ...