In 2009, Sal Khan walked away from a high-paying job to start a business that had no way of making money. His idea to launch a non-profit teaching platform was ignited five years earlier, when he was ...Show More
During the dot com boom of the late 1990s, Jimmy Wales was running an internet search company. That's when he began to experiment with the idea of an online encyclopedia. In 2001, Wales launched Wikip...Show More
In 2000, Luis von Ahn was starting his PhD in computer science when he attended a talk and happened to learn about one of Yahoo's biggest problems: automated bots were signing up for millions of free ...Show More
In the 1990s, inflation in Brazil was so high that, for a very long time, prices had been increasing every day. Until four drinking buddies from grad school found a way to fix it.
This week, a telephone scammer makes a terrible mistake. He calls Alex Goldman. Â Further Reading If you suspect you are a victim of a tech support scammer, you see a suspicious pop-up, or get an uns...Show More