A: San Bruno, California, United States
"In total, there were more than 1,000,000,000,000 (one trillion) playbacks on YouTube this year (yep, count ‘em, 12 zeroes). That’s about 140 views for every person on the earth. More than twice as many stars as in the Milky Way. And if I had a penny for every … OK, you get my drift, it’s a big number" (http://googleblog.blogspot.com/2011/12/what-were-we-watching-this-year-lets.html, accessed 12-20-2011).