Twitter begins purging offensive tweets, is testing a mute button

Twitter is taking down abusive tweets without waiting for user complaints to first identify the bad actors, the company says in a new report about detoxifying the service.On Tuesday, CEO Jack Dorsey, speaking at a TED Talk, disclosed his latest plans to purge harassers from the platform, or at least silence them. Dorsey said Twitter will test a mute button, which will allow people to hide replies to their tweets at their own discretion. This means a person who initiates a conversation, as the or