This book explores sex differences in Mobile Instant Messaging through an evolutionary psychological lens, with a particular focus on the use and perception of text and voice messages in same-sex friendships. Not only are these differences examined from an evolutionary standpoint but also smartphones are considered as a product of evolution. By further integrating media psychological theories, Dorothea C. Adler provides an innovative perspective on sex differences in voice and text message use and perception within same-sex friendships. A total of five studies address these aspects both from the sender's as well as receiver's perspective. Altogether, this work not only presents an evolutionary theoretical foundation for understanding sex differences in Mobile Instant Messenger communication among same-sex friends, but also offers an innovative approach for further evolutionary media psychological research.weiterlesen