This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
MetcalfeNetworkEffect.svg Diagram showing the network effect in few simple phone networks Lines represent potential calls between phones Created by Nathan Wood in Adobe Illustrator Transferred from org en Woody at org en CCZERO Woody at org en Cczero Original upload log page en MetcalfeNetworkEffect svg Woody bytes