Hiking: IT advisor to the organisers of Ontario Walks and Toronto Trails; photographer for both groups; organiser of Festus Arbor photo competition & director of associated video.
Home network: Mac OS X, Linux (Fedora, Ubuntu) and Windows (XP, Windows 2000, Vista, Windows 7).
Photography: founder of Toronto Photo Walks; organiser of photo walks for amateur & established photographers.
Social media: active in local communities both online (e.g. Flickr, Twitter, Facebook) and offline (e.g. Toronto XP group, DemoCamp, PodCamp).