I know it’s the best device out there. “The best cell phone ever.” Everyone on the planet tells me so. They all have one. My wife has one. Her best friend has two. And when the iPhone 6 comes out today… or maybe tomorrow, Rebecca will have three. The iPhone 4s, the iPhone 5s and the goddam newest one too. “How ’bout you sell me one of the old ones?” No way, Jose.” “Why?” I ask in dismay. “I don’t know. I just looove my I-phones. I like to collect them.” “C’mon, what about your iPhone 4s? “No.” “But…