BBC Worldwide's Employee Email Address Formats

BBC Worldwide uses 4 email formats, with first '.' last (ex. john.smith@bbcworldwide.com)
being used 70% of the time.
first lastjohnsmith@bbcworldwide.com10%
first last_initialjohns@bbcworldwide.com10%
first '.' lastjohn.smith@bbcworldwide.com70%
other_templateother_template@bbcworldwide.com10%