Don’t you love it when your points are illustrated by others? So much is professed where the value of online discussion is concerned, online marketing, social media ROI, and just where the real estate pro fits into the equation. The “end all” proof of digital marketing channels for your Realty endeavors though, is actually resident in but one facet of communicative value – reciprocity. A nice group on Twitter, Homes Boston on Twitter, just helped me prove so. Bear with me, I’ll explain.