Someone who's ready to buy something right then and there has The Look.
The salesman saw it on the customers he'd just finished demonstrating a high-end laptop to.
“So, any questions?” he asked, snapping the laptop shut.
“How rugged is it?” asked a banker.
The salesman swept the laptop off of the table and it hit the floor.
He picked it up and turned it on.
No damage.
“It's practically bulletproof,” he said.
A shot rang out, and a bullet dented the case, but the laptop stayed on.
“We'll take a thousand,” said the Army Colonel, holstering his pistol.