Why wouldn't users be able to click links? He is simply providing URLs for popular social sites that can be used in link hrefs to share the page being viewed.

Why wouldn't users be able to click links? He is simply providing URLs for popular social sites that can be used in link hrefs to share the page being viewed. Ie, http://facebook.com/sharer.php?u=http://url-of-the-post http://facebook.com/sharer.php?u=http://url-of-the-post You use this to make regular links that users can click, instead of buttons loaded inside iframes, etc.