Holloway, Ian WRice, EricGibbs, JeremyWinetrobe, HaileyDunlap, ShannonRhoades, Harmony2020-02-062020-02-062014-01-29http://dx.doi.org/10.1007/s10461-013-0671-1https://lib.digitalsquare.io/xmlui/handle/123456789/7240Young men who have sex with men YMSM are increasingly using mobile smartphone applications apps such as Grindr to meet sex partners A probability sample of 195 Grindr using YMSM in Southern California were administered an anonymous online survey to assess patterns of and motivations for Grindr use in order to inform development and tailoring of smartphone based HIV prevention for YMSM The number one reason for using Grindr 29 was to meet hook ups Among those participants who used both Grindr and online dating sites a statistically significantly greater percentage used online dating sites for hook ups 42 compared to Grindr 30 Seventy percent of YMSM expressed a willingness to participate in a smartphone app based HIV prevention program Development and testing of smartphone apps for HIV prevention delivery has the potential to engage YMSM in HIV prevention programming which can be tailored based on use patterns and motivations for useYoung people (10-24 years)Lesbian, gay, bisexual, and transgenderAt risk for a particular disease or infectionClientAccess to information or dataAlignment with local normsAddressing individual beliefs and practicesPre-prototypeFeasibilityIndividual basedSafe sexHIV/AIDSPreventiveHealth education or promotionDisease preventionInstalled applicationAcceptability of smartphone application-based HIV prevention among young men who have sex with men.