Unless you’ve ever seen your Twitter feed fill up with the same avatar spouting one annoying opinion after another, you may not have ever known the uncontrollable urge to unfollow. And if not, then count yourself lucky. Obnoxious tweeters may be less common than those self-righteous Facebook friends, but they’re always there, just waiting to suck the joy out of your feed.

No other industry is home to as many of these stereotypical egotists than the very one that helped create and nurture the platform in the first place. That’s why Sivan Cohen from Conduit compiled this clever infographic categorizing the major classes of obnoxious tech industry tweeters.

Do you recognize any famous names in the tech industry here? The humblebragger? The know-it-all developer? Are you guilty of any of these behaviors yourself? Let us know in comments.