Turkle herself, in a brief commentary on her new book (see review, also tagged here) - Her reference to the interactive dynamics in MOOCs is interesting - something we should attend to as we join our Coursera study later this month.
some of you referenced Turkle's earlier work, Alone Together, on the ways in which technology is shifting not only our attention spans, but our interpersonal relationships - here is a brief review of Turkle's latest work