Let’s see if this works. It seems to.
First go to: http://www.addtoany.com/buttons/for/wordpress_com
Follow the instructions for dragging the button into your bookmarks. Those instructions are on the bottom labeled:
Create your new blog post and publish it following the instructions in the top section called:
To place under every post in WordPress.com
After you insert the button by clicking on the bookmarklet,
then Update the post, as is stated. You will end up with the button like below. Clicking on the button allows the reader to add the blog link to quite a few of the readers’ different social media sites. Click on it to try it out.