The thing about motion picture industry gurus is they don’t know jack about tech. This week one of the big names behind DreamWorks, Jeffrey Katzenberg was talking to investors at the Allen & Co annual event, trying to drum up $2 billion for “short form” mobile content. Going back more than 15 years people have been obsessed with short form content being appropriate for phones, when each year more and more people watch longer and longer content on phones. The older generation of content consumers, with failing eyesight and an aversion to smartphones, seem to think that you can only watch short form content on the phone. The truth is very different. Apps provide the antidote to boredom, none better…