April 27, 2009 ... But a sharp and extended downturn in ad revenue has made success elusive. tags: Conde Nast, Portfolio, magazine, news business. permalink; comment; e-mail. ...
http://www.npr.org/blogs/talk/2009/04/rip_portfolio.html
March 26, 2008 ... (I just use the floor under my desk.). The advertising revenue model might not be the saving grace of social networks and webmail it's cracked up to be. ...
http://www.npr.org/blogs/talk/2008/03/free_stuff.html