Why browsers still allow pop-up dialogs, which are favored by scammers, is a mystery that baffles techies. As one user on HackerNews recently complained: "There are still malware and advertising sites ...

This month I’m going back to programming for a while. I need a rest from the weirdness on the Talkback discussion in last month’s column. I do intend to write more about theory issues in the future, ...