Most of us would be lost without GPS. So why do we think it’s hilarious when people drive into the ocean or walk to the Arctic Circle because phone maps told them to? In Pinpoint, author Greg Milner looks at our uneasy relationship with the technology and the ways GPS has reorganized our culture and our brains. On The Spiel, Mike looks at Donald Trump’s latest failed endeavor: public opinion polling.   Learn more about your ad choices. Visit megaphone.fm/adchoices