https://www.fool.com/investing/2019/01/29/better-buy-momo-vs-match-group.aspx
Research Thesis about MOMO with concerns
http://onlinedatingsoundbarrier.blogspot.com/2019/01/research-thesis-about-momo-with-concerns.html
Stalin: MTCH group 2019 still does not check photos.
http://onlinedatingsoundbarrier.blogspot.com/2019/01/stalin-mtch-group-2019-still-does-not.html