A free report on the attitudes of marketers to social media is available to download online. From the survey:
Ninety percent of those surveyed agreed that social media is important to their business. The report reveals that the self-employed (67%) and small business owners (66%) were more likely to strongly agree with this statement.
You can access the full report from the source link below.
Source: Social Media Examiner — Small Businesses Benefit Most From Social Media, Study Reveals