I will be straight to the subject. I was contacted by a big company with good budget (national newspaper) with a huge authority site. Some details below: Page Authority 56 Domain autority 47 Registered On: 11/2/2012 Google Indexed Pages 381,000 Monthly visitors 200.000+ Sites Linking In (according Alexa) 101 Traffic Rank 96259 Pagerank 5 Dmoz listed No Yahoo directory listed No Their main target is to increase the monthly traffic. I never dealt with such a big project and i need some expert advices. Basically the website have a lot of unique content (381,000 indexed pages with long & unique content), do you guys think such an authority website needs backlinking to increase the traffic? With the latest algorithm updates would you ever use paid advertorials?