Philadelphia — In December 1999, Guinness World Records listed the 10 greatest inventions of the 20th century. The computer wasn't included. But the food-storage containers made by Tupperware were.

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. (WJET/WFXP) — Tupperware Brands, the company ...

"I used to take in $200 extra a month selling Tupperware in the mid-1980s when I was living in the Northeast," said Linda Solomon, a former Philadelphia social worker who didn't give her age, and who ...