As I hope you know by now, anyone can add comments to Photoshop Community Help, Lightroom Community Help, and Bridge Community Help. What you may not know is that you can subscribe to a feed for these comments. Just copy the following URLs into your RSS reader to receive automatic notifications when new comments are posted.
Photoshop: http://community.adobe.com/help/rss/comments.html?label=photoshop_product_adobelr&language=en_US
Lightroom: http://community.adobe.com/help/rss/comments.html?label=lightroom_product_adobelr&language=en_US
Bridge: http://community.adobe.com/help/rss/comments.html?label=bridge_product_adobelr&language=en_US
