Crowdsourcing is still almost languishing in the niche. Applications like this gives visibility to crowdsourcing as a viable, new and hopefully completely revolutionary computing paradigm. Kudos to Panos!!
It is not available on the web. It is in the print edition, and in the iPad version of the magazine. You can download the scan if you want to read it. I guess they make the articles available online a few days later than the print edition.