承前*1
http://d.hatena.ne.jp/ktdisk/20070823/1187867114
Andrew Keen The Cult of the Amateur: How Today's Internet is Killing our Cultureの要約
承前*1
http://d.hatena.ne.jp/ktdisk/20070823/1187867114
Andrew Keen The Cult of the Amateur: How Today's Internet is Killing our Cultureの要約