The article says that internet use boosts productivity only if it is done less than 20% of time. How is this relevant to the real life? :D
Also the article suggests that the productivity improvement is not caused by internet per se, but by having short breaks during work.
So I think many people are beyond the point where internet use could boost their productivity.
...has finally been published.
Contents:
The issue consists of responses to Chalmers (2010). Future volumes will contain additional articles from Shulman & Bostrom, Igor Aleksander, Richard Brown, Ray Kurzweil, Pamela McCorduck, Chris Nunn, Arkady Plotnitsky, Jesse Prinz, Susan Schneider, Murray Shanahan, Burt Voorhees, and a response from Chalmers.
McDermott's chapter should be supplemented with this, which he says he didn't have space for in his JCS article.