1. It helps build your brand
You can easily establish your brands personality by giving your business a voice that people can relate to and engage with.
2. It helps you deliver better customer service
Social media is now a first port of call for customers who need support. By communicating with customers and clients in real time you can easily solve problems and answer questions.
3. It can help increase trust in your brand
Many people see being active on social media as a way of authenticating your business when looking into it for the first time. If you’re a regular user, you’re more likely to be seen as trustworthy.
4. It’s great for promoting your content
Not only does this help with Search Engine Optimisation, but it helps build credibility and raise awareness of your business.
5. It will drive traffic to your website
Being active on social media will help you increase the amount of traffic that your website receives.
108 things I heard at the social media results conference: http://www.harveyandhugo.com/108-things-i-heard-at-the-social-media-results-conference/
Making the most of social media: http://www.harveyandhugo.com/making-the-most-of-social-media-twitter-tactics/