Tanya taught from an active DDF'er, Subduing sadness:http://www.torahcafe.com/jewishvideo.php?vid=d7f024951
Just looked at the Wikipedia and saw this:
Wow, he even has a wiki!Written about in NYTimes, Huffington Roast, on YUTorah...Now how many DDF'ers have that?! Dan, when are you getting a wiki page?! Any volunteers?! Lets do this!