Good points, Jassmine. The partial anonymity does help people open up online (the so-called "online disinhibition effect")... and writing can be very therapeutic for people... at least for people who have skills in reading and writing. I may have posted this previously, but here's an article I revised recently about the online disinhibition effect:

http://www.rider.edu/~suler/psycyber/disinhibit.html