The power of social networking is now being experienced by millions of people worldwide. Social networking is used by millions of people now and it’s also used by companies to promote their brands online. Twitter is used by people to post tweets and it can also be used by companies to inform and update their clients about product updates. It’s a great system that can be used by professionals in the company to post what they are thinking. As compared to Facebook, twitter doesn’t have facilities for posting images and videos. It can be used by companies only to ensure status updates.