MarketingSherpa recently posted an interesting article on just how accurately the advertising and marketing industry can measure the overall Return on Investments (ROI) when using standard Social Media Tactics like posting online articles, participating in social networking, or contributing to content development via a blog.
The chart that accompanied the article can be seen below:
The entire article is definitely worth the read as it delves in to some of the things to consider when going the route of marketing a business via social media.