Twitter's "retweet" and "hashtag" were both folk innovations that became product features. People used to write 'RT @user "comment"' to retweet.
Then I learned what it meant.
Never meet your heroes
And it's silly as well, because anyone with a few weeks of software development knowledge could probably hack a Twitter-like together. Not that at that scale, admittedly, but still, prototype-twitter was nothing fancy.
Like when you see a worn path in the grass where hundreds of people took the same shortcuts instead of using the proper planned-out pathways.