Tumblr is the hottest mircoblogging platform out there! It is a hybrid of a social networking service and blogging. It lets you share anything from texts, photos, quotes, links, chats, audios, and videos. According to their official website, Tumblr now have over 70 million tumblelogs with 30 billion posts.
Tumblr.com is ranked among the Top 20 websites in the United States and is among the Top 5 social networks (Facebook, Twitter, LinkedIn, Pinterest) with 13.4 million unique visitors in the United States alone.