1.         Oldenburg, R., The Great Good Place. 1989, New York: Paragon House.

2.         Wellman, B. and S. Wortley, Different Strokes From Different Folks. American Journal of Sociology, 1990. 96(3): p. 558-88.

3.         Erickson, B., The Relational Basis of Attitudes, in Social Structures: A Network Approach, B. Wellman and S.D. Berkowitz, Editors. 1997, JAI press: Greenwich, CT. p. 99-122.

4.         Katz, E. and P. Lazarsfeld, Personal Influence: The Part Played by People in the Flow of Mass Communications. 1955, Glencoe, IL: Free Press.

5.         Mutz, D., Hearing the Other Side. 2006, Cambridge: Cambridge University Press.

6.         Wyatt, R.O., E. Katz, and J. Kim, Bridging the Spheres: Political and Personal Conversation in Public and Private Spaces. Journal of Communication, 2000. 50(1): p. 71-92.

7.         Putnam, R., Bowling Alone. 2000, New York: Simon & Schuster.

8.         Cohen, S., Social Relationships and Health. American Psychologist, 2004. 59(8): p. 676-684.

9.         Straits, B., Ego’s important discussants or significant people. Social Networks, 2000. 22(2): p. 123-140.

10.       Abraham, K., S. Helms, and S. Presser, How Social Processes Distort Measurement: The Impact of Survey Nonresponse on Estimates of Volunteer Work in the United States. American Journal of Sociology, 2009. 114(4): p. 1129-1165.

11.       Smith, T., 2004 Social-Network Module, Draft 9/08. 2008, Memorandum, National Opinion Research Center.

12.       Marsden, P., Core Discussions Networks of Americans. American Sociological Review, 1987. 52(1): p. 122-31.

13.       McPherson, M., L. Smith-Lovin, and M.E. Brashears, Social Isolation in America: Changes in Core Discussion Networks Over Two Decades. American Sociological Review, 2006. 71(3): p. 353-375.

14.       Fischer, C., America Calling. 1992, Berkeley: University of California Press.

15.       Marvin, C., When Old Technologies Were New: Thinking about Electric Communication in the Late Nineteenth Century. 1988, New York: Oxford University Press. 269.

16.       Hampton, K.N. and B. Wellman, Neighboring in Netville: How the Internet Supports Community and Social Capital in a Wired Suburb. City and Community, 2003. 2(3): p. 277-311.

17.       Gilbert, E. and K. Karahalios, Predicting tie strength with social media, in Proceedings of the 27th international conference on Human factors in computing systems. 2009, ACM: Boston, MA, USA.

18.       McPherson, M., L. Smith-Lovin, and J.M. Cook, Birds of a Feather: Homophily in Social Networks. Annual Review of Sociology, 2001. 27: p. 415-444.

19.       Cross, R., R.E. Rice, and A. Parker, Information seeking in social context: structural influences and receipt of information benefits. Systems, Man, and Cybernetics, Part C: Applications and Reviews, IEEE Transactions on, 2001. 31(4): p. 438-448.

20.       Burt, R., Structural Holes. 1992, Chicago: University of Chicago Press.

21.       Granovetter, M., The Strength of Weak Ties. American Journal of Sociology, 1973. 78(6): p. 1360-80.

22.       Cohen, S., et al., Social Integration and Health: The Case of the Common Cold. Journal of Social Structure, 2000. 1(3): p. 1-7.

23.       Michelson, W., Environmental Choice, Human Behavior and Residential Satisfaction. 1977, New York: Oxford University Press.

24.       Bellair, P.E., Social Interaction and Community Crime. Criminology, 1997. 35: p. 677-703.

25.       Sampson, R., Collective Efficacy Theory, in Taking Stock, F.T. Cullen, J.P. Wright, and K.R. Blevins, Editors. 2006, Transaction: New Brunswick, NJ. p. 149-168.

26.       Lofland, L., The Public Realm. 1998, New York: Aldine de Gruyter. 305.

27.       Sennett, R., The Fall of Public Man. 1977, New York: Knopf.

28.       Hampton, K.N., O. Livio, and L.F. Sessions, The Social Life of Wireless Urban Spaces:Internet Use, Social Networks, and the Public Realm. Journal of Communication, in press.

29.       Hampton, K.N. and N. Gupta, Community and Social Interaction in the Wireless City. New Media & Society, 2008. 10(6): p. 831-850.

30.       Killworth, P., et al., Estimating the Size of Personal Networks. Social Networks, 1990. 12: p. 289-312.

31.       Lin, N. and B.H. Erickson, Social Capital. 2008, New York, NY: Oxford.

32.       Lin, N. and M. Dumin, Access to Occupations through Social Ties. Social Networks, 1986. 8: p. 365-383.

33.       Wellman, B., Physical Place and Cyber-Place: Changing Portals and the Rise of Networked Individualism. International Journal for Urban and Regional Research, 2001. 25(2): p. 227-52.

34.       Ishii, K., Implications of Mobility. Journal of Communication, 2006. 56(2): p. 346-365.

35.       Ling, R.S., New tech, new ties : how mobile communication is reshaping social cohesion. 2008, Cambridge, MA: MIT Press.

36.       Gergen, K.J., Mobile Communication and the Transformation of the Democratic Process, in Handbook of Mobile Communication Studies, J.E. Katz, Editor. 2008, MIT Press: Cambridge, MA. p. 297-310.

37.       Nie, N., D.S. Hillygus, and L. Erbring, Internet Use, Interpersonal Relations and Sociability: A Time Diary Study, in The Internet in Everyday Life, B. Wellman and C. Haythornthwaite, Editors. 2002, Oxford: Blackwell.

38.       Robinson, J. and J.D. Haan, Information Technology and Family Time Displacement, in Computers, Phones, and the Internet: Domesticating Information Technology, R. Kraut, M. Brynin, and S. Keisler, Editors. 2006, Oxford University press: New York. p. 51-69.

39.       Kraut, R., et al., Internet Paradox Revisited. Journal of Social Issues, 2002. 58(1): p. 49-74.

40.       Boase, J., et al., The Strength of Internet Ties. 2006, Pew Internet & American Life Project: Washington, DC. p. 52.

41.       Boase, J., Personal Networks and the Personal Communication System. Information, Communication & Society, 2008. 11(4): p. 490 – 508.

42.       Marlow, C., The Structural Determinants of Media Contagion, in Media Lab. 2005, MIT: Cambridge, MA.

43.       Zhao, S., Do Internet Users Have More Social Ties? A Call for Differentiated Analyses of Internet Use. Journal of Computer Mediated Communication, 2006. 11(3): p. article 8.

44.       Steinfield, C., N.B. Ellison, and C. Lampe, Social capital, self-esteem, and use of online social network sites. Journal of Applied Developmental Psychology, 2008. 29: p. 434-445.

45.       Gennaro, C.D. and W.H. Dutton, Reconfiguring Friendships: Social relationships and the Internet. Information, Communication & Society, 2007. 10(5): p. 591 – 618.

46.       Rice, R.E., et al., Social interaction and the Internet: A comparative analysis of surveys in the US and Britain, in Oxford Handbook of Internet Psychology, A. Joinson, et al., Editors. 2007, Oxford University Press: Oxford. p. 7-30.

47.       Wang, H. and B. Wellman, Social Connectivity in America. American Behavioral Scientist, in press.

48.       Mesch, G.S. and Y. Levanon, Community Networking and Locally-Based Social Ties in Two Suburban Localities. City & Community, 2003. 2(4): p. 335-351.

49.       Kavanaugh, A., et al., Community Networks. Journal of Computer Mediated Communication, 2005. 10(4): p. article 3.

50.       Kavanaugh, A., D.D. Reese, and J.M. Carroll, Weak Ties in Networked Communities, in Communities and Technologies, M. Huysman, E. Wenger, and V. Wulf, Editors. 2003, Kluwer Academic: Dordrecht, Netherlands. p. 265-286.

51.       Boulianne, S., Does Internet Use Affect Engagement? A Meta-Analysis of Reseatch. Political Communication, 2009. 26(2): p. 193-211.

52.       McPherson, M., L. Smith-Lovin, and M.E. Brashears, Social Isolation in America: Changes in Core Discussion Networks over Two Decades. American Sociological Review, 2008. 73: p. 1022-1022.

53.       McPherson, M., L. Smith-Lovin, and M.E. Brashears, Models and Marginals: Using Survey Evidence to Study Social Networks. American Sociological Review, 2009.

54.       Fischer, C., To Dwell Among Friends. 1982, Berkeley: University of California Press.

55.       Fischer, C., The 2004 GSS Finding of Shrunken Social Networks: An Artifact? American Sociological Review, 2009. 74(4).