Is Apple’s secret car project back on? Is Elon Musk in trouble with the SEC? How many people use Apple Pay? Is Alexa coming to cars? And the weekend Longreads suggestions. Stories from: @gruber Tweets: @jbarro, @kairyssdal Links:Tesla is now worth less than it was before Elon Musk's $420 tweet (Business Insider)Doug Field Returns to Apple After Leaving Tesla (Daring Fireball)Apple Pay Increasingly Central to iPhone (Loop Ventures)Amazon launches Auto SDK to bring Alexa to more cars (VentureBeat)VCs Are On Track To Make 2018 A Record Year For Unicorns (Crunchbase News) The Betterment Weekend Long Reads Suggestions:Fintech Frenzy: Hype or Reality? A Closer Look at 6 Key Sectors (Fortune)HOW THE SHARED FAMILY COMPUTER PROTECTED US FROM OUR WORST SELVES (The Verge)“The Lean Startup” is an unproductive legend (Quartz)THE STRANGE DAVID AND GOLIATH SAGA OF RADIO FREQUENCIES (Wired)THE ULTRA-PURE, SUPER-SECRET SAND THAT MAKES YOUR PHONE POSSIBLE (Wired)