The Brainliest Answer!
Social media are computer-mediated tools that allow people to create, share, or exchange information, career interests, ideas, and pictures/videos in virtual communities and networks.
1 5 1
Don't copy and answer and it was copied answer 
first give introduction about social media
introduction:--what is social media--it is a platform people to create,,share,,ask,,exchange info with others,,after that what are the positives and negatives.......positives is creating awareness,spreading information,and it is a platform for skill development,employment opportunities,finding people,etcc...give example role of social media in arab spring revolutuon...after thet give negatives how it is spoiling youth,,how it is wasting useful time of students and employees,
how it is dragging people into terrorism,,give example of ISIS,,etc,,how it is spreading tensions between people ,,give example of situations arisen in past during BAL THAKERY died and tensions arisen between north east and main land india.,,hate speeches,,etc.....and finally give conclusion how to use it better for future...