Guest post by John Jantsch is a marketing consultant, speaker and author and the founder of the Duct Tape Marketing Consultant Network. His latest book, Duct Tape Selling – Think Like a Marketer, Sell Like a Superstar is available online and in bookstores May 15. Just a few years short years ago marketers were still heavily focused on broadcasting their message to create demand for their products and services. Today, a kinder, gentler form of marketing called inbound marketing relies…