Pinterest doesn't want you to see it as a social network
 

Believe it or not, Pinterest has never really advertised itself in the US -- remarkable for an internet giant with over 150 million users and enough clout that it can buy well-known services like Instapaper. However, you're about to see a lot more o...

https://www.engadget.com/2017/04/23/...-first-us-ads/