Social media marketing is a massive part of online marketing. It has many benefits to its advertiser and its users. If you are a business looking to boost your online traffic or sales of a product or service then you can use social media to instantly reach your audience. Many of the social media sites and services that they offer are free, even to businesses which is quite rare, so I would strongly recommend that all businesses use it in some way.
You may want to use your social media accounts just as a portal for your customers to communicate with you through. Some companies use social media as another form of customer support, allowing their customers to message them with any issues they have rather than having to email or call. This has proved very successful and has given some businesses the edge over others when it comes to gaining new business.