Here’s an updated chart showing the number of Hospital Twitter Accounts vs. YouTube. The old chart was getting picked up on several blogs.
As of April 4, 2009, there were 132 Twitter accounts vs. 126 on YouTube.
As of April 19, 2009 there were 140 Twitter accounts vs. 128 on YouTube
As of May 25, 2009 there are 201 Twitter accounts vs. 135 on YouTube