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The Clapper
The Clapper
Clap on! Clap off! Sound-activated switch device was a hit with the millions of lazy Americans who like inane jingles.

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Last updated April 06 2009: 10:01 AM ET
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Secrets of the TV pitchmen
Secrets of the TV pitchmen
Anthony Sullivan and Billy Mays have sliced and diced their way to over $1 billion in combined sales. So what can the OxiClean guys teach big business about selling in a recession? More
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