Pinterest is a virtual pinboard. It allows you to organize (“pin”) and share images you find on the web (as well as upload your own images.) It is social because you may browse the pins and boards of other Pinterest users and copy (“repin”) those images. You can also follow other users.
The world’s largest professional network with over 150 million members and growing rapidly. LinkedIn connects you to your trusted contacts and helps you exchange knowledge, ideas, and opportunities with a broader network of professionals