Pompeii has always fascinated me because of the unique quality of a moment in time, in A.D. 79, captured and preserved by volcanic ash. Granted, not so great for them but interesting for us. This information comes from Pompeii “Wall Posts” Reveal Ancient Social Networks By Stephanie Pappas and LiveScience. “Ancient Pompeii residents revealed their social networks through graffiti on actual walls.” Study researcher Eeva-Maria Viitanen, an archaeologist at the University of Helsinki has been studying the various kinds of messages and locations. It would seem any wall was open for graffiti from peoples names, to a numeric sum to political ads. The urge to communicate is strong!