Social media 3 Economic aspects 2 Internet marketing 2 Viral marketing 2 Business 1 Causation 1 Contagion (Social psychology) 1 more ... Context effects (Psychology) 1 Customer relations 1 Interactive marketing 1 Internet 1 Marketing 1 Public relations 1 Relationship marketing 1 Social aspects 1 Social psychology 1 Success in business 1 Word-of-mouth advertising 1 less ...