What do social media platforms provide in terms of SEO?

At MWI, we get many of these inquiries from current and prospective clients. While social media has been an increasingly popular channel for marketing in recent times, many companies haven't yet begun to make use of the potential of it.

What do social media platforms provide in terms of SEO?
At MWI we hear these questions frequently from our the current and potential clients. Social media is an incredibly expanding channel of marketing that many businesses have only recently begun taking advantage of in the past few years.