The first few minutes worked fine. But then, a pop-up appeared: “Your phone may be infected! Install this antivirus now.” Arjun ignored it. Another pop-up: “To continue watching, please register for just $1.” He entered his email and a weak password he used everywhere.

The movie finished. Arjun felt happy—he’d saved money.

“Rohan, before you click that link, let me tell you a short story,” she said.