Welcome to the Voice of America’s News Words.This news word is from a story about the social media site Twitter.Troll.Twitter can be a helpful source of news,information and advice.It can also cause trouble among its users.Twitter is working to solve the problem of troll accounts.On the internet ,a troll is a person who causes conflict by writing offensive or untruthful messages to make people angry.In stories,a troll is a very big or very little ugly creature who can be dishonest and aggressive.

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