1. The document discusses various digital models that are relevant for business including online marketplace models, business and revenue models, communications models, customer buying process models, loyalty models, social media models, and social business models.
2. It provides an overview of different online revenue models such as subscription, pay-per-view, advertising, affiliate marketing, and freemium models. It also discusses attribution models, communications models, and the customer information processing models.
3. The models described aim to help understand customer behavior online and develop effective digital strategies around areas like online marketplaces, media spending, communications, purchasing processes, loyalty, social media usage, and employee engagement.