the +1 button

Hello everyone we've just added the +1 button to our page under every post.what is this button?

Recommendations when you want them.

The +1 button is shorthand for "this is pretty cool" or "you should check this out."
Click +1 to publicly give something your stamp of approval. Your +1's can help friends, contacts, and others on the web find the best stuff when they search.

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