refers to several methods by which individuals can avoid receiving unsolicited product or service information. This ability is usually associated with direct marketing campaigns such as telemarketing, e-mail marketing, or direct mail. involves the contracting out of a business process to another party. It sometimes involves transferring employees and assets from one firm to another. One of the advantages is to save costs because firms can specialize on core competency. Facebook is platform to build networks or relations among people who share interests, activities, backgrounds or real-life connections. The use of Facebook is called