from / more Ralf Schwartz lead/marke Net
"The Author, Helge Tenno [ @congbo ], works as a Planner for SDG, helping brands and organizations discover WHY they are valuable in consumers lives, and HOW they can create deliberate value on the arenas and inside the interfaces where they connect with them."
Great Job, Helge! ...
Btw. you can use this great loocking charts under CC, or of course, buy from Helge
