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Content: Lack of privacy
Unreliable information is often shared
Likes or Hashtags do not result in change
Systemic issues also arise from hashtags                                                            
A few examples of positive social media activism
ALS Ice Bucket Challenge
Cancer Walks/ Runs
Wael Ghonim Egyptian Revolution
Revolution in Indonesia (Want to read more about it? Click here)
“Five critical challenges facing today’s social media” Wael Ghonim 
We don’t know how to deal with rumors. Rumors that confirm people’s biases are now believed and spread among millions of people. Second, we create our own echo chambers. We tend to only communicate with people that we agree with, and thanks to social media, we can mute, un-follow and block everybody else. Online discussions quickly descend into angry mobs. All of us probably know that. It’s as if we forget that the people behind screens are actually real people and not just avatars. It became really hard to change our opinions. Because of the speed and brevity of social media, we are forced to jump to conclusions and write sharp opinions in 140 characters about complex world affairs.