Deep Link is just giving a link to the specific page whether it is internal or external pages related to your sites..

Facebook.twitter,Google plus,and many more.

facebook, google+, linkedin, twitter and stumble upon, these sites i use regularly..

am having many site for social media, used plugin for fast and smart work and better result.

yeah i have the list of more tham the thousand of social boookmarking and media sites

I use Google+, Twitter,Facebook and pinterest.

All of them i used