What are the advantages and disadvantages of using social media as a tool for social change?

Part 1
Watch the following two videos:
How online social movements translate to offline results (https://www.youtube.com/watch?v=_DTOc1uMOIU)
Tarana Burke On How The “MeToo Movement Started And Where It’s Headed (https://www.youtube.com/watch?v=u1Rb7TGgsp4)
Reflect
Answer the following questions:

What are the advantages and disadvantages of using social media as a tool for social change?
How does social media enable or constrain people’s abilities to discuss the issue(s) as they relate to the #MeToo movement or do they apply to all other social movements? Why?
Do you think that it is possible in the 21st century to create social change without using social media? Why or why not?