 Since the early 2000s, experimental philosophers have gathered their own data and used it to support a variety of projects (Sytsma &amp; Livengood 2016; Knobe &amp; Nichols 2017). One of the most prominent has tried to develop arguments showing how diversity—in culture, in cognition, and especially in philosophical intuition—presents challenges to philosophers who rely too heavily on appeals to their own intuitions, or solely on the intuitions of a select few (Egler forthcoming). Intuitions about philosophical issues may vary in ways that raise doubts about the significance of projects that fail to take account of such variation. As an early manifesto put it: