摘要:Matthew Allen's article"An education in Facebook" hones in on the contemporary debate on the role of Facebook in higher education.He maps educators' initialenthusiasmand gradual disappointment with the social networking site, but suggests that its sheer ubiquity inevitably makes it part of the informal education experiences of students. Allenpresents a summary of what Facebook affordsfor online communication and networkingand analyses the way that thetraditional understandings of university education and the relationships between teachers and studentsare challenged by Facebook. The article "YouTube viral videos and HIV prevention among African-Americans: Implications for HIV prevention" by Jocelyn Patterson andKhiya Marshall focuses on the potential use of viral videos for HIV/AIDS prevention activism and education. Patterson and Marshall present a content analysis of YouTube member responses to viral videosfeaturing African Americans that had a theme ofHIV/AIDS prevention. This detailed analysis of usercomments suggests that the motivation to share and view suchvideos includes a spectrum of emotional responses, ranging fromanger and frustration,to heartfeltencouragement andsupport