User contributions
- 15:19, 9 December 2013 (diff | hist) . . (+20) . . 383: Helping (→Explanation)
- 15:14, 9 December 2013 (diff | hist) . . (-1) . . 385: How it Works (→Transcript)
- 15:13, 9 December 2013 (diff | hist) . . (+19) . . 385: How it Works (→Explanation)