Emily, please could you tell us why you don't use any upper case letters? You're evidently well-read, educated etc. I don't intend to sound patronising, please don't read the last sentence as such, I'm just curious. I have noticed this tendency when people write e-mails and a friend said it might be an echo of the days when one could use only upper case characters - no need to bother with the shift key. It does make the postings a little difficult to read!
Jo