[COLOR=rgba(31, 31, 31, 0.85098)]"On Monday, 1 in 7 people on Earth used Facebook to connect with their friends and family," wrote founder Mark Zuckerberg ([/COLOR]The Verge[COLOR=rgba(31, 31, 31, 0.85098)]). That's one billion people using the social network in a single day -- a new milestone for Facebook. "It's just the beginning of connecting the whole world," Zuckerberg added.[/COLOR]