There are a lot of different social networks. If they are trendy and growing or match your niche, check them out! Social media is a thing that changes fast. Some of the services that Vaynerchuk mentioned when he was writing this book (Google+, Vine) are not trendy anymore. However, there are new emerging networks like musical.ly.
This is a professional network with over 200 million members. It’s a place where you can post long articles, and every year more users return to the website to see what’s going on.
This mobile application has become very popular in recent years. It’s difficult to get people follow you, but once they do, the engagement is huge.