The first presidential debate broke multiple internet records
YouTube saw the largest political livestream ever, and Twitter saw more debate tweets than in 2012.
The 2016 presidential race according to Facebook 'likes'
The interactive map shows candidates Ben Carson and Bernie Sanders duking it out for the top spot.
ESPN investigates the historic Kasparov vs. IBM chess games
The battle of wits between IBM and chess grandmaster Garry Kasparov is one of the biggest moments...