Last year, Kara Kovalchik wrote about Infomercial Superstars (and Where They Came From). Here's her section on Billy Mays, who will be missed:
If Billy Mays' onscreen sales technique reminds you of the "Step right up!"-style banter of a carnival barker, you're not far off the mark. Shortly after graduating from high school, Mays took a job selling a household device called the Washmatik on Atlantic City's Boardwalk. He then spent 12 years traveling the U.S. and selling everything from vegetable choppers to cleaning products at state fairs and home shows. Along the way he carefully studied the veteran pitchmen in neighboring booths and copied their shtick. In a nice slice of serendipity, Mays happened to be working across the aisle at a show from Max Appel, the founder of Orange Glo. Appel's microphone broke just prior to a presentation, and Mays graciously gave him one of his spares. The two struck up a friendship, which led to Mays becoming the national spokesperson for Orange Glo. That gig led to spots for OxiClean and Kaboom! and a recognition factor that automatically guarantees millions of dollars in sales for any product.
You can read the full article here.