Based on Regalix report, this following content assets proved to be effective for accomplishment of marketing goals in 2014.
70% Website Content
58% Webinars/Webcasts
51% Case Studies
48% Whitepapers
46% Blogposts
46$ Online Videos
44% Social Posts (Twitter, LinkedIn, etc)
38% Demos
35% Articles
30% Infographics
27% Newsletters
24% eBooks
17% Brochures
14% Banners
13% Handouts
9% Flyers
7% Podcasts
2% Bilboards
2% Standees
Source: Regalix, 2015