Which explains both of the above-elaborated problems. 121 Diversity Several studies have shown that most of the Wikipedia contributors are male. "The contribution conundrum: Why did Wikipedia succeed while other encyclopedias failed?". Retrieved July 31, 2009. Retrieved December 17, 2008. 86 A topic should also meet Wikipedia's standards of "notability", 87 which generally means that the topic must have been covered in mainstream media or major academic journal sources that are independent of the article's subject. The English Wikipedia's three largest conflict rates belonged to the articles George. 284 Andrew Lih and Andrew Brown both maintain editing Wikipedia with smart phones is difficult and this discourages new potential contributors. Paul, Ryan (October 9, 2008). Retrieved October 23, 2015.