But, if I told you I have it set so that every week the page only allows twenty new people to download it, you’d be far more likely to go see if you can grab it. And even more so if when you try it, you see that it has already run out for the week. Result? You join a list that notifies you the next time twenty more checklists become available for d

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The playbook starts with TestFlight, an app that allows startups to soft-launch their own products before publicly hitting the App Store. Until recently, TestFlight was mainly employed as a place for a company’s inner circle to test an app, give feedback, and share bugs. Due to its “invite-only” nature, however, TestFlight has recently become a pop... See more