Power lines are extremely hostile places for data signals, with high levels of electronic noise and an obstacle course of transformers, surge arrestors and splices that create a huge impedance to the free flow of high-frequency signals.

FORBES: Magazine Article

Maudie Atkinson is infamous for her free spirit, and famous for the power and frequency of her Lane cakes.

FORBES: Loaded With Shinny: Lane Cakes & To Kill A Mockingbird

State intervention is justified only by the chaos that would be caused by a free-for-all over the use of the frequency spectrum.

ECONOMIST: Letters