This document summarizes a research study that examined how text messaging behavior differs based on relationships and gender. The study analyzed words, emoticons, abbreviations, and duration of messages sent between family, friends, and romantic partners. It found that females generally use more words and emoticons than males, especially with family and friends. Messages to friends contained more abbreviations than other relationships. Romantic partners had shorter message durations than other relationships. Relationship status also impacted behavior, with those in exclusive relationships using more words and abbreviations with friends.