Mike Maples, Jr. (Photo by Christopher Michel) “If the customer doesn’t scream, you don’t have product-market fit.” — Andy Rachleff Welcome to another episode of The Tim Ferriss Show. This time, we have a slightly different episode—a takeover by Mike Maples, Jr. Mike Maples, Jr. (@m2jr) and his firm, Floodgate, have invested in and supported many of the startups you might recognize — including Twitter, Twitch, Lyft, Chegg, and Okta, among others — long before they were household names. He’s…