3) Course market (Udemy & specialized instructors)
Strengths: Flexible, affordable, project-driven; exceptional for “learn very specific things fast” — e.g., persuasive rhetoric, virtual presentation technique, media interviews. Weaknesses: variable quality; vet by instructor reviews and recent updates. Best for: DIY learners who want fast wins and templates. (Udemy)
Udemy — example course trailer (TJ Walker / Complete Public Speaking Masterclass trailers are public)
(YouTube)