Introduction.- 1. Approaching Persuasion.- 2. Subjective rationality.- 3. Source credibility.- 4. From belief to behaviour.- 5. Voter relevance and campaign phases.- 6. Psychometrics, model generation, and data.- 7. Micro-target campaign management.- 8. Negative campaigning and attack ads.- 9. Modelling complex systems.- 10. From analytic to dynamic micro-target models.- 11. State of play.