Apply CRM to e-business initiatives and all business models (for example, B2B, B2C, B2B2C). Whether your customer is an individual, a company, or a combination such as the retail customers of a B2B partner, your CRM should support your sales, service, and marketing efforts across those business models. Some customers might appear in more than one model, and you should be able to recognize a customer and their value to you wherever they show up.