Facebook is growing up and growing older. Not sure if this good or bad news?

Now what do you think this table could be talking about?

I am sure you have guessed  - well maybe not.

This shows the users of Facebook in the US by age. Jan 2011 - Jan 2013.

I don't think that it needs any commentary, does it?

If you want to read the full deails you can download the research. Dick Stroud