1) The document proposes a mobile learning activity called "Sophisticated Synonyms" that uses text messaging to reinforce vocabulary outside of the classroom. 2) Students would receive daily text tasks asking them to provide synonyms in response to given words. Teachers could track participation and provide feedback via text. 3) The goals are to give students more time to practice vocabulary, encourage informal learning, and potentially earn extra credit through the collaborative mobile activity. Learning theories of behaviorism, collaboration, and informal lifelong learning support the approach.