https://www.quora.com/How-is-Facebook-useful/answer/Randall-Smith-64
https://www.quora.com/What-is-the-best-way-to-gain-popularity-on-social-media
https://fletcherdailyblog.wordpress.com/2017/03/16/understand-why-seo-is-a-must-for-your-sites-promotion/
https://www.edocr.com/v/vlqknqbw/johngreen333/AuraRank-SEO