My thanks to Bristol Strategy for this infographic. It strikes me as a good summary of the fundamental concepts, much like an online marketing primer for 2018.
Tim Berry is co-founder of Have Presence, founder and Chairman of Palo Alto Software, founder of bplans.com, and a co-founder of Borland International. He is author of books and software including LivePlan and Business Plan Pro, The Plan-As-You-Go Business Plan, and Lean Business Planning, published by Motivational Press in 2015. He has a Stanford MBA degree and degrees with honors from the University of Oregon and the University of Notre Dame. He taught starting a business at the University of Oregon for 11 years.