With more than 60 million accounts worldwide, Tumblr's popularity has skyrocketed in the past year. Tumblr is a free micro-blogging platform that businesses are using to spread awareness about their brand. By posting and sharing images, video, audio, or short pieces of writing similarly to Facebook, you can create a strong brand identity. Combining the social sharing of Twitter and Facebook with an attractive, simple blogging platform, makes Tumblr a great way for businesses to develop brand awareness.