Hate speech on social media

This is a kind of online speech or a statement spread over the social media platforms to target a particular person or group of persons on the basis of attributes such as race , custom, religion, recism,origin , gender, disability.
Might be a speech is only a thought or a statement for someone but the people whom forget for this,can cause to depression.
Social media plays a vital role to promote this hate speech much faster social media tend to promote exposure to hate speech and second exposure to hate speech is associated with the avoidance of political talk this includes hate speech , cyber bullying and increase polorization,these are the side effects of using digital media as the channel for public discourse and opinion exchange. However the processes and reasons behind these symptoms are much deeper than the people misbehaving such digital communication services.