Influencers and the Influenced
Memetics, Persuasion, and the Dynamics of Cultural Transmission
This opening essay frames the book as a study of influence in families, institutions, media systems, digital platforms, and the algorithmic environments that now shape attention at scale. It situates memetic theory, persuasion science, and network dynamics within a single account of cultural transmission.
The preface follows the book's long arc from early memetic research to contemporary influence systems, and it explains the book's scope, method, and audience before the main analysis begins.
Preface text
No man is an island, entire of itself; every man is a piece of the continent, a part of the main. — John Donne, Devotions upon Emergent Occasions, 1624
This book examines a phenomenon so pervasive that we rarely pause to consider it: influence. Every human being, from the moment of birth until death, exists within webs of mutual influence, shaping others and being shaped in return. The infant influences the parent as surely as the parent influences the child; the student transforms the teacher even as the teacher transforms the student; the follower creates the leader just as the leader mobilizes the follower.
Yet while influence is universal, it is not uniform. Some individuals and institutions wield influence at scale, their ideas and behaviors rippling across millions of minds. Others influence more modestly, within families, workplaces, or tight-knit communities. The mechanisms differ, the skills vary, the goals diverge, but the underlying dynamics share deep structural similarities that this book seeks to illuminate.
Origins of this work. My interest in the formal study of influence began over three decades ago, when I first attempted to develop a quantitative science of cultural transmission. In 1990, I published "Memetic Science: I---General Introduction" in the inaugural issue of the Journal of Ideas, proposing rigorous mathematical frameworks for analyzing how ideas replicate, mutate, and spread through populations. That work drew on Richard Dawkins's concept of memes as cultural replicators, but pushed toward quantification: population dynamics equations, information-theoretic entropy measures, and phase-space representations of linguistic memes.
The intervening years have vindicated many aspects of that early vision while revealing its limitations. The internet, then in its infancy, has since become the dominant medium for cultural transmission, accelerating memetic processes beyond anything I anticipated. Social media platforms have created new categories of influence practitioners, now called influencers, whose reach and impact dwarf the opinion leaders studied by mid-century communication researchers. Algorithmic recommendation systems have introduced artificial selection pressures on content, creating evolutionary environments that favor certain memetic properties over others.
This book represents a synthesis: integrating the theoretical frameworks of memetic science with the empirical realities of contemporary influence, grounded in the psychology of persuasion and the dynamics of virality. It is, in many ways, the book I could not have written in 1990 because the phenomena it describes had not yet fully emerged.
Scope and approach. The book examines social influence through multiple lenses: psychological, evolutionary, sociological, economic, and ethical. It draws on Cialdini's principles of persuasion and the Elaboration Likelihood Model, treats ideas as replicators subject to variation, selection, and inheritance, analyzes the structures through which influence flows, and distinguishes legitimate persuasion from manipulation.
This academic edition includes mathematical formalisms, diagrams, and technical apparatus that will be omitted from a planned popular edition. Readers seeking the core insights without the quantitative machinery may wish to await that companion volume.
Audience. This book is written for scholars and advanced students in communication studies, social psychology, marketing, media studies, and cultural evolution. It assumes familiarity with basic statistical concepts and comfort with mathematical notation, though all equations are explained in context. Practitioners of influence may find the theoretical frameworks illuminating, even where the technical details exceed their immediate needs.
Acknowledgments. A work spanning three decades of thought accumulates debts beyond enumeration. I am grateful to the pioneers of memetic theory and to the researchers whose empirical work on persuasion, virality, and digital communication grounds these theoretical frameworks.
Any errors of fact, interpretation, or reasoning remain entirely my own.
Elan Moritz
Philadelphia
February 2026