Check out the Philip Stein Teslar watch -- it's engineered to protect your body from those "harmful electromagnectic frequencies". It notes the "extremely low frequencies (ELF) caused by cell phones ..." (1,900,000,000 Hz is extremely low?).
How does this technological marvel protect you? It's "engineered to produce a non-Hertzian/scalar wave shown to shield the body from extremely low frequencies (ELF). It emits a specialized signal that surrounds the body within a bubble or cushion, so the harmful frequencies cannot enter."
Non-Hertzian????
I haven't laughed this hard in a week...