>>> we're announcing the end of an era tonight. after 24 years, the encyclopedia brittanica is going out of business, at least in book form. they were google, think about it, before there was google. then wikipedia became the research choice almost by default, and it gained increasing acceptance. these days, the book form of britannica is just 1% of their business. a set of britannicas was a status symbol. it indicated greater wealth and education, but they only sold 8,000 sets of books in the year 2010. a d .