Mail order shops sold nose hair trimmers cheaply to build lists of people too embarrassed to buy them in person, and therefore very likely to buy more embarrassing things via the mail.
One of the oldest companies in the world (nearly 400 years old), Zildjian, a cymbal manufacturing company was founded by an alchemist when trying to turn base metals into gold.
A man killed his wife inside the Walmart she was working at. Rather than close the store, they chose to just rope off the gore-splattered area while the police investigated.
A lesser-known fact of Arnold Schwarzenegger’s life is that he was already a millionaire before he ever became a Hollywood action hero. Together with a friend he began a brick-laying business in 1968. Using successful marketing techniques coupled with an onset of high demand after an earthquake, the business proved successful. The profits from Schwarzenegger’s brick-laying business were then invested in what would become a lucrative series of ever-growing business ventures; each supporting the next endeavor. This successful business savvy would make Schwarzenegger a millionaire by the age of 30.
A Kodak engineer constructed the first digital camera in 1975. They didn’t want to go digital. They went bankrupt in 2012.