Civilian Twitter experiments and professional Twitter strategies imagine an intoxicating and tangible upside. Jokes might gain an audience; a regular person or established media property might become an indispensable new information node; a snack food, or an airline, might foster goodwill from prospective customers and absorb the public outrage of detractors. This upside, in the long term, has either eluded its seekers or revealed itself to be vanishingly small.