This document lists famous IT companies and their founders, including the dates they were founded. It provides details on Facebook (founded by Mark Zuckerberg in 2004), Twitter (founded by Jack Dorsey, Naoh Glass, Biz Stone & Evan Williams in 2006), Apple (founded by Steve Jobs, Steve Wozniak & Ronald Wayne in 1976), Instagram (founded by Kevin Systrom & Mike Krieger in 2010), WhatsApp (founded by Jan kaum and Brain Acton in 2009), Microsoft (founded by Bill Gates and Paul Allen in 1975), Alibaba (founded by Jack Ma in 1999), Amazon (founded by Jeff Bezos in 1994), Flipkart (founded by Binny Bans