Social media is highly encouraged at my company and has been for many years. It is a great networking tool for sales people or for anyone inside the company who needs to be kept abreast of industry advancements. I can't think of one department in a company that would not benefit from social media.
Read this article and be the one who brings social media to the forefront at your company.
http://www.socialmediaexaminer.com/5-ways-to-get-your-entire-company-on-board-with-social-media/