One of the most fascinating things to come out of the current We Are 99%/Occupy Wall Street protests is the We Are 99% Tumblr. At the site, people hold up signs that explain their current circumstances, and it tells the story of a whole range of Americans struggling in the Lesser Depression.
The site features pictures of individuals holding their signs, and occasionally the tumblr reproduces the text of the signs themselves underneath the image as html text. Sometimes the text under the image is blank, sometimes it is a different message, but often it is the sign itself.
Going through the ~1,000 entries in the tumblr, here is the distribution of ages that I was able to generate:
This stuff really reflect reality instantly and ecological research will take advantage of this