And a thought-provoking article. Incidentally, I found it when someone I know Googled me and pointed it out. Because you used—and credited; thanks!—a photo of mine which I “freed” for such purposes by assigning it a Creative Commons license. Where was it—on Flickr.
I agree with you on the importance of dialogue, particularly when it can be meaningful and purposeful. Facebook is lost on me. Flickr is changing my life. And no, the hours I've spent on it don't cut into my social life; rather, they've been time put into shaping much of it.
Thanks man, and best of luck!