The number of people leaving jobs surpassed an astonishing 2 million per month during most months of 2012 according to the Bureau of Labor statistics.

FORBES: Double Dare: Why More Than 2M U.S. Workers Per Month Leave Corporate Jobs

This victory by Serena surpassed her 6-2, 6-2 win over Venus at Miami in 2002.

NPR: Serena Williams Routs Venus At Family Circle

It aimed to gather 2, 017 responses, but has surpassed that by about 100.

BBC: Dundee's bid

Almost twelve years later in August 2010, Amazon.co.uk introduced the revolutionary Kindle and began selling Kindle books to customers in the UK. By May 2011, Kindle book sales had surpassed hardcover book sales, at a rate of more than 2 to 1.

ENGADGET: Hold the presses! Amazon UK selling more e-books than printed ones

For more than 2, 000 years, Uruk was the largest city in the world, surpassed in size only by Babylon in the sixth century B.

WSJ: The Ur-Metropolis | Uruk | Pergamon Museum | By A.J. Goldmann