When we first heard about the Kickstarter-funded Triggertrap, it was a nice but nichey lab instrument of a device that could fire your DSLR with diverse stimuli, like lights or ringing phones. It wasn't the first photo-tripping idea we'd seen, but at least it could be had for a fair sum ($75.00) and be used out of the box. But now, by connecting that tech to an app and charging $19