Social media is like juice for the people as they want to drink it many times as every min there is something we need to refresh our minds and that is social media which all people use without any limits and it is fact that there is no single time in this 24 hours that no one has touch social media and every minute and second, of this 24 hours there is one online person.
So social media is really like water for the persons they drink it's every minute. We also have read many articles about the society which you have read it ahead which having what its harmfulness, advantages, etc. 
So there are some apps which are having users in billion users so let us see those which are there:-

1) Snapchat
So let us see take a look at this app, it is the most amazing app to use because there are lots of mini-games, and an amazing filter for selfies, then we can make streaks, and send snaps.
It has an amazing feature like auto-delete of chats. If anyone takes the screenshot we get the notification of it. We get a personal QR code of our account, from which we can scan and add any friends, stories; Snap code, etc. features are there.

So try this app as billions of users are using this app for the amazing filters of the camera.
2) Facebook
We know that this is the most famous and No. one app on the social media platform. As users from every corner of the world instead of dictatorship countries are using this app and placing the first position in the play store.  
This app also has advantages features like marketing, boosting a post to make it more popular, pages on Facebook with your account, etc can be there and on Facebook. 

It is having one fact that in past there was the name "From Facebook" but now it is changed to "Meta from Facebook" so it was good that the update is happening.

3) Instagram
It is the second most used app in which there are billions of users are there.  There is the business unit that used this app for marketing and also they take help from the influencer who has a million followers and they showed their products and their usage to their Instagram user's family. 
So this was some information about the social media most used websites which are there on this Internet platform. So useless but use in an advantageous manner.