" apug.org is an international community of like minded individuals devoted to traditional photographic processes. apug is sponsored by members and corporate donations. it is based on an 'open source' model. in other words, the site is driven by the feedback and content they receive from our members. apug is an active photographic community. our forums contains a highly detailed archive of traditional and historic photographic processes. it was founded september 2002. " source: apug home.