Yeah, I know that's what says the headline of your post.
But hey! are you by chance implying that I need to share my entry on a Web2 Social site to qualify in your contest and be considered to get rewards?
Uhm, well... if you read my post correctly, perhaps you might not want me to do that. 
Not implying. "Uhm, well... if you read my post correctly..." it is clearly written in the guidelines in order for people to participate :)
Have a good one!
Alright, understood! Your call...
There you go! :)