First social media site goes back to 1970s, back when the University of Illinois has developed the PLATO System, which had such features as online forums, bulletin boards, instant messaging, and many other features.
According to App Annie Report Social Media Network 2019 Statistics, the social media statistics 2019 show the following leaders in various countries:
When creating social media, it is necessary to understand that having a mobile application is a prerequisite for the successful project.
Social networks app development can be provided from scratch or as an add-in to the existing web version.
Check out the infographic to find out how much does social media App development cost (basic functionality and one platform - Android or iOS):
How to Create a Social Media App