The document discusses the five most popular social media platforms. Facebook remains the largest with over 2.3 billion monthly active users. YouTube has over 2 billion monthly logged-in users who watch over 1 billion hours of video each day. Instagram has over 1 billion monthly active users who share 95 million photos and videos each day. Snapchat has over 300 million daily active users who exchange over 3 billion snaps per day. Twitter has over 330 million monthly active users who post over 500 million tweets per day.

1. The five most popular

7. The five most popular