A short while ago I have come across one article which I think you can find useful. Somebody might take a steaming dump all over it, but it clarified some of my questions. 
http://rekreativ.ca/powerpoint-presentations-are-going-to-usually-7/
http://www.platformexhibitions.org/help-me-write-my-term-paper/3553/
http://permitnational.com/help-me-do-admission-application-essay/custom-essay-writing-order-your-essay-today-1235/
http://www.olenik.co.il/he/great-decision-for-your-writing-requirements-2-3/
http://www.lauraszafirstein.com.ar/2016/09/07/sin-categoria/essay-writing-person-creating-and-online-essay-75