It`s actually only a technique where you replace the like button with a static img and on an mouseover event or first click you replace it with the original like button.
Its good for improving page loads because you dont have to wait for 3rd party servers and also its an improvment for user privacy because your site is not automatically sending content informations into the graphs of all these sites just because someone opens a webpage.
I can only link to one project i know of, but its in german only atm
http://www.heise.de/extras/socialshareprivacy/
another example would be techcrunch but as far as i can tell they only use it to improve the overall pageload experience.
Its good for improving page loads because you dont have to wait for 3rd party servers and also its an improvment for user privacy because your site is not automatically sending content informations into the graphs of all these sites just because someone opens a webpage.
I can only link to one project i know of, but its in german only atm http://www.heise.de/extras/socialshareprivacy/ another example would be techcrunch but as far as i can tell they only use it to improve the overall pageload experience.