Doctors use of Social Media :: Insight Research Group surveyed 300 primary care doctors in the first quarter of this year, drawing equal numbers from Germany, Italy and the UK. The agency found 69% of physicians said they used some form of social media for work, and 60% said they used Wikipedia professionally. After Wikipedia, the most popular sites were YouTube (used professionally by 18% of respondents), Facebook (5.7%), LinkedIn (4.7%) and Twitter (1.3%).
Facebook's Teenage Exodus, In One Chart | Fast Company | Business + Innovation... and I believe Babyboomers are discovering Facebook.
Data on how to get more re-pins on Pinterest - remember to review this against your own experience for your target market