Once again Addthis, the social sharing platform owned by ClearSpring released its year-end Social Sharing Trends. For more info you can visit their website.
For now, some notes on the graphics:

Facebook accounts for 52.1% global sharing.
Google + 1 button in 2011 but little stagnated, Like it or not Google Buzz predecessor would stay for little while.
Google Chrome in other hand surpassed Firefox in November.
Death news of Osam bin Ladin was huge.

Last but not least according to Addthis data, 73% of the top 10 shares were related to death & disaster which …