Twitter has added media mogul Rupert Murdoch to its ranks.
Within three days his @rupertmurdoch account attracted over 45,000 followers.
But reaction to the 80-year-old chairman and chief executive of News Corporation's Twitter presence has been mixed.
In a tweet Rupert Murdoch noted: "I'm getting killed for fooling around here and friends frightened what I may really say."
Among those sending jovial reminders of current controversies, former Deputy Prime Minister John Prescott tweeted, "Welcome to Twitter...@rupertmurdoch. I've left you a Happy New Year message on my voicemail!"
The comment referred to the phone-hacking scandal which had resulted in the closure of the News of The World.
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