Other Social Media Companies use

Pinterest

Pinterest is a photo-sharing website that allows users to create and manage theme-based image collections such as events, interests, and hobbies. Users can browse other pinboards for images, "re-pin" images to their own pinboards, or "like" photos.

Pinterest homescreen

Companies will “pin” images and other media content (graphics or videos) of their brands. The media content will then be up for viewing to other members who are following them. Like twitter, this is an exponential way of advertising. Companies use pinterest as a way to not advertise their brand but more get awareness and attention that such a brand exists.

AARP Pinterest page

Instagram

Instagram is an online photo-sharing, video-sharing and social networking service that enables its users to take pictures and videos, apply digital filters to them, and share them on a variety of social networking services, such as Facebook, Twitter, Tumblr and Flickr. It has over 100 million active users.

Like pinterest, corporation will post picutes and/or videos of their brand to advertise it. Anyone call like the image or video and the more likes it gets the more attention it will get; more likes will result in the image/video to appear on the front page in the section cal "Popular."

Tumblr

Tumblr is a microblogging platform and social networking website. The service allows users to post multimedia and other content to a short-form blog. Users can follow other users' blogs. Much of the website's features are accessed from the "dashboard" interface, where the option to post content and posts of followed blogs appear.As of November 30, 2013, Tumblr hosts over 152.2 million blogs

Tumblr dashboard/ home screen