Which co-founder of Instagram was born December 30, 1983?
Instagram:  It was created by Kevin Systrom and Mike Krieger, and launched in October 2010 as a free mobile app exclusively for the iOS operating system. Kevin Systrom: Kevin Systrom (born December 30, 1983) is an American entrepreneur and programmer, best known as the co‑founder of Instagram along with Mike Krieger.
Kevin Systrom