Written by: Judith D. Auerbach.
In the fourth decade of the global AIDS epidemic, the digital universe has solidified itself as a new setting for HIV and AIDS risk, prevention, and community response. This is particualry true among gay and other men who have sex with men and transgenders (G/MSM/TG). As the papers in this special issue detail, networked and digital technologies are used in multiple ways in the global fight against HIV and AIDS. These include education, the design and conduct of research and prevention programmes, and fomenting community mobilisation.