Interesting take on the direction photography is heading from Kirk Tuck written after 3 days at PhotoPlus.
Interesting article. I have also noticed in the PDN photos that the attendees were 50+ males.... There are bunch of articles about the dslr market shrinkage after 10 years of double digit expansions. You can read the LL view "Staying Alive" also: http://www.luminous-landscape.com/essays/pdn_photoplus_2013.shtml