Flint's mother gives Flint encouragement when he's feeling down. She suggests he follow the example of great inventors, such as Nikola Tesla and Alexander Graham Bell, who weren't deterred by what other people thought of them. Flint then gets back to work on new inventions.
The video discusses how standard sizes revolutionized marketing and assembly line production. It also highlights how important standard sizes are in terms of sales and production. Companies used standard sizes to create a level of predictability regarding how many of each size to manufacture and/or order, and they credit size standardization for being able to create more accurate predictions.
Elaine comes up with the idea of selling only the top parts of muffins; within days her old boss has opened a muffin-top store, capitalizing on her idea. Elaine needs protection for her idea, which is the role of the patent/trademark system.