article_snippet: ISIS has threatened Twitter founder Jack Dorsey and Jack Dorsey employees after the site removed accounts linked to the extremists.
article_snippet: The chilling warning, written in Arabic, featured a picture of Dorsey in a gun's cross-hairs and the Twitter logo.
article_snippet: Dorsey, who is worth an estimated $2.5billion and lives in California, made no mention of the threat online on Sunday as he tweeted he 2.87million followers.
article_snippet: the threat online on Sunday featured a picture of Twitter billionaire co-founder Jack Dorsey in a gun's cross-hairs and the Twitter logo .
article_snippet: According to Twitter's rules: 'You may not publish or post direct, specific threats of violence against others.'
article_snippet: California-based Dorsey made no mention of the Twitter threat as California-based Dorsey tweeted California-based Dorsey 2.87million followers on Sunday night .
highlights_snippet: The threat, featuring a picture of Dorsey in a gun's cross-hairs and the Twitter logo, was posted on Sunday .