Moist winced inwardly. Lord Vetinari was doing the eyebrow again.

"Leonard of Quirm designed these... things?" he said.

"Yes, sir. He said that the new medium of the inter... intermenent" – Moist gave up – "thing required new means of entertainment to match."

"Said means being, and I quote, 'Humorous pictures of cats in peculiar situations, accompanied by amusingly misspelled captions?"

"Um. Yes?"

Generally, when someone raised both eyebrows at the same time, they just looked like they were raising both eyebrows at the same time. Vetinari, however, somehow managed to convey the effect of a single eyebrow raise twice. Moist gulped.