Q. Who among the following are the Founders of Social Networking Site: “Twitter” ?
Answer: Biz Stone, Evan Williams, Noah Glass, Jack Dorsey
Notes: Founders of:

• Twitter: Biz Stone, Evan Williams, Noah Glass, Jack Dorsey
• Facebook: Chris Hughes, Dustin Moskovitz, Eduardo Saverin, Mark Zuckerberg
• Google: Larry Page, Sergey Brin
• YouTube: Jawed Karim, Chad Hurley, Steve Chen