Discuss the social benefits-limitations of each-What human interactions can each of these channels create?

What is social media? Which theory or theories of psychology help to explain why people use social media? Why do they exhibit behaviors that are unique to these channels?
Select two of the following channels:

Facebook

Twitter

YouTube

Instagram

Discuss the social benefits and limitations of each. What human interactions can each of these channels create?
Describe the online and offline effects of social media on teens ages 13–19 and on adults ages 35–50.