As business owners, it’s easy to be drawn to real-life success stories of businesses that started with nothing and wound up as empires. These stories make great tales, some even fit for the silver screen (see: The Social Network). Occasionally, however, the facts of these founding stories become embellished, turning more into what sounds like a movie script as time goes on.

Allyson Kapin, a Fast Company Expert Blogger and Founder of Women Who Tech, wrote a great piece about women in technology, called ‘Too Few Women in Tech? Stop Playing the Blame Game‘

It’s awfully hard to change the world—more than once. Revolutionary companies face many challenges, none more difficult than staying ahead when intoxicated with the spirits of success. Here are 10 once-transformational companies that tumbled from the top.