It ran: Do they call you LAZY? Do you lack energy, ouff, push? Henderson's Vitalizer was made for you. It floods the cells with radiant energy from the sub-molecular cosmic fountains. Not a chemical, not a drug. Harmless. Permanent. Cumulative. Recommended by Consumers' Institute. Ask to see it at your stereo dealer's.

HE stopped in at the stereo dealer's on her way back from mart.

"Henderson's Vitalizer?" he said. "Sure. We sell a lot of them."

He reached under the counter and brought up a small, square, silvery box. Its edges had a peculiar wavy, elusive quality. Oona's eyes had trouble in making them stay still.

"The Henderson people have done a sweet engineering job on this model," he said. "All the power and special features of the cabinet size, and it weighs less than a kilo."

"How does it work?"

"It taps the sub-molecular quanta of energy on the cosmic level and relays them directly to the nerve cells."