Early versions of the onAir system include the iLands 3D online topical worlds- some of the first applications for 3D topical online environments using standard DHML and XML web software (2001). Adapted the 3D web-based worlds iLands platform for the Districtof Columbia Government’s DC Bird’s-eye Tour (2004),

Our version 3.0 used the DrupalCMS and wasplatform for aggregating information and knowledge on a particular topic with subject matter experts as guides and curators one implementation Web Health Directory (2005)