6Dijck J V. Users like you: Theorizing agency in user-generated content[J]. Media Culture & Society, 2009, 31 (1):41-58.
7Hull, G. A., & Katz, M. L. Crafting an agentive self: case stud- ies of digital storyteUing[J].Research in the Teaching of English, 2006,41 (1), 43-81.