Sure, other companies had given away product before to win customers, but the convention was to cast as wide a net as possible rather than to focus on the frequency of exposure to the product.
Furthermore, the LightSpeaker's 2.5-inch wide dispersion driver uses digital signal processing to optimize high- and low-frequency output for a full spectrum of sound.
The report pointed out there were wide variations in the way obesity was treated across the UK - particularly in the frequency with which obesity surgery is performed.
What the May 6 crash did show was that while high frequency trading may work just fine in normal market conditions, when trouble comes the markets become a mile wide and an inch deep.