Who is the winner of the social sharing wars? Well, Facebook of course. That's what indicated in data released today by ClearSpring Technologies, makers of the popular AddThis sharing platform.  

AddThis is really the perfect platform to help understand social sharing trends. The tool is currently used on 11 million domains and see 1.2 billion uniques a month. So who are the top sharing services?

Facebook makes up 52.1 percent of sharing on the Web, followed by Twitter at 13.5 percent. Both Twitter and Tumblr are growing however with 576 percent and nearly 1300 percent growth for the two social sites respectively.

Some other highlights from the study:

- Stumbleupon creates a "viral lift" of 320 percent
- Google +1 grew 373 percent by has platuead
- Sharing on Digg and MySpace declined by 47 percent and 56 percent respectively