[J]ust as the invention of the telescope revolutionized the study of the heavens, so too by rendering the unmeasurable measurable, the technological revolution in mobile, Web, and Internet communications has the potential to revolutionize our understanding of ourselves and how we interact … . [T]hree hundred years after Alexander Pope argued that the proper study of mankind should lie not in the heavens but in ourselves, we have finally found our telescope. Let the revolution begin.
—Duncan Watts (2011, p. 266)
-Social Media Sites
-Web Search Data
-Blogs/Other Internet Forums
-Adminstrative Data on Websites
-Digitization of Historical Texts/Archives