According to Google Trends Pinterest has had 3x the interest Yelp has worldwide since 2012, so that 15x seems potentially reasonable depending on how each compa

According to Google Trends Pinterest has had 3x the interest Yelp has worldwide since 2012, so that 15x seems potentially reasonable depending on how each company is doing. Anecdotally, I also do not know anyone who uses Yelp and many that use Pinterest.