After 244 years, it will be online only: New York Times
                                
                                
                                    (Newser) -
                                    Chalk one up for the age of Wikipedia: The venerable Encyclopaedia Britannica won't be printing any more reference books, reports the  New York Times . The move ends a 244-year tradition, one that struggled to compete in the digital world. A big reason: Its latest 32-volume set, printed in 2010,...