Bill D's discovery seems to be the most valid that I've come across. His theory is that messages don't "take" if they're posted on threads that have been reloaded from your computer's cache (i.e., most threads you've looked at twice). I try to remember to Highlight [CTRL-A] and Copy [CTRL-C] my longer posts to the clipboard on my computer before I hit the "submit" button - and then I check to make sure my message "took." If it didn't, I reload the page using my f5 key on my keyboard, or the circular-arrow "reload" link on my browser. Then I Paste [CTRL-V] the text into the message box, and Submit. Works every time - except when I forget and copy something else in between. Then I'm screwed.

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-Joe-