1. The impact of social networking sites on presentation of self and patterns of participation In groups: An ethnographic study of a community of runners Open Access Author: Swain, William Title: The impact of social networking sites on presentation of self and patterns of participation In groups: An ethnographic study of a community of runners Graduate Program: Instructional Systems Keywords: social networksocial networkingcommunities of practicepresentation of selfmarathon runningTwitterFacebookDailyMile File: Download William_Jeffrey_Swain_Manuscript.pdf Committee Members: Susan Mary Land, Dissertation Advisor/Co-AdvisorSusan Mary Land, Committee Chair/Co-ChairRoy Clariana, Committee MemberNina G Jablonski, Committee MemberAnne M Hoag, Committee MemberJohn Thomas Harwood, Committee Member