Too Long; Didn't Read
If I were to compare Quora advertising network, I’d instead compare it to Google than Facebook. Quora, just like Google tries to organize information. They do it in different ways. Google allows you to search for anything and find a perfect match with existing paid content (ads) and organic content (any site it can crawl, index and rank) through a massive algorithm comprised of many parts, which also leverages on human quality raters.