Ever get that new Android phone or Windows setup, all excited to make 'em besties, then that damn QR code in Phone Link turns into a nightmare? You tap  aka.ms/LinkPC , prop your phone like a circus act, but blurry cam, crap lighting, or office firewall says "nah." Three fails in, you're chucking it across the room. Happened to me last week helping a coworker—his Samsung wouldn't...