According to Strongmail’s annual Marketing Trends Survey, the top areas of investment this year for marketing are email marketing and social media. The most important initiatives for 2011 were increasing engagement, and improving segmentation and targeting. 44% of businesses cited a lack of resources or marketing staff as a primary challenge for 2011. 71% of businesses planned to integrate email and social campaigns. Check out the infographic for more details on the survey which interviewed 925 business leaders around the world.