Inclusion Criteria:  age 18-24 years, current college or university student, owns a mobile phone with internet access and unlimited text message plan, reports binge drinking in the past 30 days [>3 drinks for women, >4 drinks men in one sitting] Able to complete participation in English. To evaluate messages tailored to prior SV victimization, approximately 50% of the sample will also be purposively recruited for a baseline history of SV.  Exclusion Criteria:  Under 18 years old, over 24 years old Not currently enrolled in college Does not own a mobile phone with internet access and unlimited data plan Does not report binge drinking in the past 30 day Unable to complete study participation in English