Web 2.0 Information technology 20 Online social networks 18 Management 16 Technological innovations 14 Application software 10 Development 10 Social aspects 10 Internet 7 Internet programming 7 Business enterprises 6 Economic aspects 6 Internet in education 5 Collective behavior 4 Computer network resources 4 Education, Higher 4 Entrepreneurship 4 Internet industry 4 Mashups (World Wide Web) 4 Security measures 4 Social media 4 Web site development 4 Libraries and the Internet 3 Web services 3 Ajax (Web site development technology) 2 Computer networks 2 Computer security 2 Computer viruses 2 Computer-assisted instruction 2 Education 2