Haha...not only here but also at Flickr, fb, tumblr, twitter, or any other social media platform. Of course the latest trend is not to comment but to offer an invitation to post on a thread. I love the silence of film cameras or even the art gallery. Of course, it has all been going on for sometime now: critique that is http://www.youtube.com/watch?v=wejNjdPndLI
It's a youtube post and SFW so go ahead and click.