Social psychologists have developed several theories for explaining the ways in which the psychology of a crowd differs from and interacts with that of the individuals within it. Major theorists in crowd psychology include Gustave Le Bon, Gabriel Tarde, Sigmund Freud, and Steve Reicher.
KPIs, or key performance indicators, are measures too. But generally, KPIs are the most important measures for a business or organisation, usually having the highest leverage to impact its success. Due to their catchy name, the term KPI has almost become synonymous with the term performance measure.
KPIs are often seen as a cure to what ails the online ad industry. The majority of our ad customers are running their display budgets off of KPIs (key performance measures like brand lift), Armstrong told Adweek. We need to reconnect brands to KPIs. We've sort of needed to shift from an older display model to a newer display model, and thatâs something weâre working through..