If your company is like most companies, the answer is a resounding NO! or the truth is that you could do a better job. Explaining what it is that you do is the essence of what marketing is and should be. The best marketing is about great teaching and communication.
As social media because more noisy, frustrating, and expensive, businesses will start concentrating on their owned digital assets more. Businesses don’t own their space on social media channels and some have found this out the hard way as organic access to the feeds slowing disappears. The website and the blog become the library for a company’s owned content and distribution of that content will more and more be driven by email and niche social media channels and groups/communities inside the larger social media channels.