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Below is a percentage breakdown of 2014, 2013 and 2012 advertising revenues (print and digital): 

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Advertising revenues are primarily determined by the volume, rate and mix of advertisements. Advertising spending, which drives a significant portion of revenues, is sensitive to economic conditions and affected by the continuing transformation of our industry. During 2014, advertising revenues were affected by the ongoing secular shift from print to digital and continued to reflect changes in the spending patterns and marketing strategies of our advertisers as well as an increasingly complex and fragmented digital advertising marketplace. The market for standard web-based digital display advertising continues to experience challenges, due to an abundance of available advertising inventory and a shift toward automation, including digital advertising networks and exchanges, real-time bidding and other programmatic-buying channels that allow advertisers to buy audience at scale, which has led to downward pricing pressure. 

In 2014, total advertising revenues decreased primarily due to lower print advertising revenues across most advertising categories. Print advertising revenues, which represented 73% of total advertising revenues, declined 4.7% in 2014 compared with 2013, mainly due to weakness in display advertising. This weakness resulted from reductions primarily in the technology, entertainment and corporate categories. The decline was partially offset by an increase in the financial services, advocacy and international fashion categories. 

Digital advertising revenues, which represented 27% of total advertising revenues, increased 11.9% in 2014 compared with 2013 due to an increase in display advertising, partially offset by a decrease in classified advertising revenues. The increase in display advertising primarily resulted from the introduction of Paid Posts and from increases in the technology, telecommunications and media categories, partially offset by declines mainly in the financial services and entertainment categories. 

In 2013, total advertising revenues declined mainly due to weakness in display and classified advertising. This weakness resulted from advertisers reducing spending in the face of uneven economic conditions, primarily in the entertainment, financial services and travel categories. The uncertain economic environment, coupled with secular changes in our industry, contributed to declines in total classified advertising revenues, primarily in the real estate, automotive and help wanted categories, partially offset by growth in the telecommunications and corporate categories. 

## Other Revenues 

Other revenues consist primarily of revenues from news services/syndication, digital archives, office rental income, e-commerce and conferences/events. 

Other revenues increased in 2014 compared with 2013 driven by higher revenues from our e-commerce business and digital archives. 

Other revenues decreased in 2013 compared with 2012, mainly due to our exit from the education business at the end of 2012. 

