Real-time allows users to contribute contents, which is then broadcast as it is being uploaded – similar to live radio and TV.
Twitter set the trend for “real-time” services, within a 140-character limit.
Facebook followed suit with their “Live Feed” where users’ activities are streamed as soon as it happens.
In April 2012, the image-based social media network Pinterest had become the third largest social network in the United States.
LinkedIn is closely tied to individual networking relationships based on social networking principles.
Companies have found that social networking sites such as Facebook and Twitter are great ways to build their brand image (reputation management).
As of September 2013, 71% of online adults use Facebook, 17% use Instagram, 21% use Pinterest, and 22% use LinkedIn.