While email marketing continues to grow, direct mail remains a popular form of communication. Surveys show that 90% of people couldn't live without their letterbox and 46% believe a world without print would be worse. Door drop volumes in the UK increased from 6.9 billion in 2011 to 7.2 billion in 2012, a 3.5% rise. Direct mail has higher response rates than email, with 3.4% for existing customers versus 0.12% for email. Direct mail is also seen as more vital for B2B companies, with 36% using it versus 20.5% of B2C companies.