social media can based on positive effect and negative effect.

social media can make people close to each other,if you have a friend or a family member that you haven't heard from them for a long time,you don't have their phone numbers,you can just go to any social media, like facebook and press search and write their names ,their names might show up, and you started to communicate with them on messenger.

some people spend more time on social media than with their families or friends.

social media also have a negative effect on teens ,some of them don't have time to do their homeworks,or even study. Which can lead them to a lower grades in their classes,they don't focus enough in scchool.