A decade ago social media was hailed as an organizing tool for pro-democracy rallies, giving voice to the voiceless. But it has also become a forum for conspiracy theories, disinformation and hate speech. President Donald Trump was recently banned from Twitter following his incitement of rioters, and his social media accounts on Facebook and Instagram were suspended. Correspondent Lee Cowan looks into the legality and implications of tech companies "de-platforming" a user – even a president.

Subscribe to the "CBS Sunday Morning" Channel HERE: http://bit.ly/20gXwJT
Get more of "CBS Sunday Morning" HERE: http://cbsn.ws/1PlMmAz
Follow "CBS Sunday Morning" on Instagram HERE: http://bit.ly/23XunIh
Like "CBS Sunday Morning" on Facebook HERE:   / cbssundaymorning  
Follow "CBS Sunday Morning" on Twitter HERE: http://bit.ly/1RquoQb

Get the latest news and best in original reporting from CBS News delivered to your inbox. Subscribe to newsletters HERE: http://cbsn.ws/1RqHw7T

Get your news on the go! Download CBS News mobile apps HERE: http://cbsn.ws/1Xb1WC8

Get new episodes of shows you love across devices the next day, stream local news live, and watch full seasons of CBS fan favorites anytime, anywhere with CBS All Access. Try it free! http://bit.ly/1OQA29B

---
"CBS Sunday Morning" features stories on the arts, music, nature, entertainment, sports, history, science, Americana and highlights unique human accomplishments and achievements. Check local listings for CBS Sunday Morning broadcast times.