Answer: Google +1 is similar to facebook likes. but google dominance in web search put it well above facebook likes. When a user clicks on +1 button on your website. you get a link in his profile page which is usually PR7 + Google gets a hint that your website has something useful. Google will give instant priority to your website on search made by contacts for the relevant search terms.
However conventional methods takes ages to get big google +1 numbers for your website.
You can see more detail at this website: Trade google +1 for free

You can check also in french website: Echanger google +1

Any questions please ask here or on our website.

Answer: Yes, our service of google plus one exchange is free. However conventional methods takes ages to get big google +1 numbers for your website. When you give google +1 to a website, you receive in return one point, more you give google +1 more you have points and you can use these points to display your site for others give you a google plus one. Login our website and use it http://www.exchangeplus1.com