Some experts say trolls who built businesses and media careers on Twitter have had to escalate shock value tactics as the audience of “normal people” shrinks (Amanda Marcotte/Salon)

Amanda Marcotte / Salon:
Some experts say trolls who built businesses and media careers on Twitter have had to escalate shock value tactics as the audience of “normal people” shrinks  —  Elon Musk’s business model depends on “triggering” liberals — but he’s now running out of progressives to bait