In short, yes. How Social Media Marketing is used however is different for each business.
If you have a business or thinking about setting up a business then this post will not only help you decide how social media marketing might be able to help you, it will have you thinking about what marketing strategies in general you could be focusing on in your business.
A blog is a ‘tool’ so ‘how you use it’ depends on how effective it is in driving traffic to your website.
If you want your website to give more content by adding 
new or better detailed information on your business topic regularly then blogging is a good idea.
A blog can depict you or your business as experts in the industry you work in. Sharing any valuable insights or resources displays an expertise in your business topic that your customers are likely to be searching online for to know more about.
Facebook gets a lot of traffic as it delivers a lot of engaging material but this chart from the Business Insider should leave no doubt in any businesses minds as to whether they should be thinking about whether to bother becoming a part of the Social Media world.
Most businesses start an online presence with their website and then start the big job of actively advertising online by adding new content regularly to keep it listed in the search engines. Another alternative is to pay for Adwords so that others will find that website. But why spend all that money over and over again trying to gain new customers to a website when you could be duplicating the websites presence all over the internet for free?
Social Networking through Facebook, Twitter, YouTube, LinkedIn, Blogger and other social networking sites is a very cost effective and time efficient way to build awareness and compel potential clients to check out your website too.
Here are two ways to quickly optimise your LinkedIn profile for SEO ranking