Refrigerator magnet pictures a Jell-O advertising card from around 1910. It features an illustration of a pretty girl with a candlestick telephone, placing an order, "Yes, Jell-O, please, all seven flavors."
The Jell-O patent passed through a few hands from its creation by Peter Cooper in 1845 until Frank Woodward's Genesee Pure Food Company purchased the brand and promoted it. By 1906 sales reach $1 million. It would later merge with Postum Cereal and form the General Foods Corporation. Check out the website for the Jello Museum in Leroy, NY for a fun history.