A look at some of the top tweets from '13.
NFL S.F. 49ers running back MARCUS LATTIMORE: "This sport cricket is interesting #LondonTv"
Author JAMES MONTAGUE: "Qatar's refusal to free footballer Zahir Belounis is disgraceful. If they can't sort that out, believe nothing they say on worker rights."
Daily Telegraph's HENRY WINTER: "Excitement of the World Cup draw on Dec 6 will quickly be followed by anger as fans realise how much they'll be charged for internal flights."
F1 driver LEWIS HAMILTON: "Congrats to @sachin_rt. He is a true sporting legend and achieved so much in his incredible career. #ThankYouSachin"
Sprinter USAIN BOLT: "Know I'm late but I wanna wish the great Sachin Tendulkar a happy retirement. Hands down 1 of the greatest sportsmen of all time @sachin_rt"
USAIN BOLT: "One of the greatest human beings ever..May your soul rest in peace..The worlds greatest fighter..."
Reuters' KAROLOS GROHMANN: "#Adidas and @FIFAcom extend partnership to 2030. Now that's what I call a long-term deal."
Financial Times' ROGER BLITZ: ''Collapse and fatalities at Sao Paulo world cup stadium come in the week prior to tournament draw"
Chelsea leftback ASHLEY COLE: "You changed the world. You may be gone but your words of wisdom will live on forever. #RIPMrNelsonMandela #Hero"
FIFA President SEPP BLATTER: "My respects to an extraordinary person, probably one of the greatest humanists of our time: Nelson Mandela."