A month or so ago I handed in the first report of my PhD in which I described the work I had been doing so far. I just put my report into wordle (after some processing), and here is the output. See if you can guess what my area of research is 
A Wordle generated from the content of my 9 month report.
If its of any use to anybody, the pipeline I used to generate the input to wordle is…
cat report | gawk 'BEGIN{RS=" "}{print $0}' | gawk '/^[a-zA-Z]/{print $0}' | sed 's/[^0-9A-Za-z]//g' | tr '[A-Z]' '[a-z]' | sort | gawk '{printf "%s ", $0}' > toWordle
Woah, wordle is awesome. Thanks for the bash command too, I had a go on my report and got this:
http://twitpic.com/2oy9z3
Amazing YouTube video tutorials posted at this web site, I am going to subscribe for daily updates, for the reason that I don’t would like to miss this series.