Social media in libraries is an elusive beast. Once you think you have it conquered and know how and where to communicate with patrons, things shift and your information is quickly out of date. In academic libraries, students jump from platform to platform and it’s hard to know the best place to reach them and with what content. Librarians at Purdue University ran a social media survey in four libraries during the Spring 2017 semester: the undergraduate library, humanities, social science and education library, business library, and engineering library. We wanted to know what platforms the students are currently using, what they are using them for, where they want to see the libraries, and what content they want from us on each platform type. This information will be used to inform the Purdue Libraries social media content and policy for the upcoming 2017-2018 school year. This poster will show survey methodology and results, which can be used by other libraries to run their own study, or learn from our results.