10) He once built a program called ZuckNet, just for his family
Again from the New Yorker profile, Zuckerberg once built a program for his dad, Edward, who needed a quick messaging system for his dental office, and for the family home. It was, essentially, an early version of AOL’s Instant Messenger. “The receptionist used it to ping Edward, and the kids used it to ping each other,” the report said.
David Paul Morris