Being successful online is not this or that or an either or proposition. Being successful online is being where your customers and prospective customers will find you. All too often, whether it is online or in traditional analog media, business owners place their emphasis and marketing dollars into medias and sites they personally like. Unless YOU are your ideal targeted customer that is a huge and expensive mistake. Having both a website and a presence in social media will greatly expand your online reach as demonstrated in this infographic by the folks at Best Webhosting Geek.
