Pinterest has made their site a candy store for curious eyes. Not only do visuals attract attention, but they maintain a user's attention. This aspect of Pinterest has made it extremely popular despite it being the baby of the social media world.
Not only are photos a great ways to catch attention, but they can quickly communicate with viewers. A one-line tag can give the user all the information they need to understand what it going on. Precise and concise are keys to social media. Combine visuals with these factors and you have the perfect trifecta for a great social media site!