Introduction
HIV infection, MSM
HIV INFECTION
Men who have sex with men (MSM) are considered one of the key populations for HIV infection worldwide [The digital approach is defined by the use of social media, mobile phone apps, the Internet, or other technologies that use digital connections [Among MSM, factors limiting uptake of HIV testing are present both at the individual level (eg, a lack of awareness and knowledge of HIV testing services and HIV-related and sexual minority stigma) and community level (eg, a lack of support for HIV testing) [Given the importance of the digital approach and multilevel interventions in improving health, we developed a digital multilevel HIV testing promotion intervention using a crowdsourced approach. Crowdsourcing is defined as the process of aggregating a group of nonexperts and experts to solve a problem [