To obtain the number of single people globally (2017 or later), number of niche dating websites worldwide, number of people in US or globally who are seeking something deeper from online dating, the number of singles that use these apps just to mingle or for a committed relationship. Additionally, how many singles want to learn more intimacy skills, how many live or video dating events exist in the US and globally, and the market size for the following segments in relationship advice and guidance: books, coaching, psychotherapy, training online and in person, and education.