These threads always bring out the jealous introverts getting mad at more outgoing people that are able to speak in public.

Guys you can do it too, really. It's not that hard.

Introverts can be, and often are, very outgoing. They just find it exhausting and need time alone afterwards to recharge.

I have an evergreen recommendation that anyone who wants to understand want introvert, extravert, and ambivert really mean should read Quiet by Susan Cains.