 Boyd and Richerson suggest that prestige bias can overcome this problem: if individuals copy techniques from those who are in prestigious positions, then this increases the chances that they will copy techniques that are, in fact, beneficial. As they put it, “Determining who is a success is much easier than determining how to be a success” (Richerson and Boyd, 2005, 124). Moreover, evidence has been accumulating for the reality of prestige bias. Henrich and Broesch (2011) have argued, based on fieldwork in Fiji, that an individual’s perceived success in a single domain of activity (for example, yam cultivation) predicts whether that individual will be asked for advice in other domains (for example, fishing). In other words, they claim that individuals are accorded a broad form of prestige, which affects their likelihood of serving as a cultural model. The value of prestige bias relies on the supposition that those individuals who are able to get themselves into prestigious positions have a better than average tendency to make use of fitness-enhancing techniques. This heuristic will not be failsafe: after all, not every technique a prestigious individual uses will also augment fitness, and some individuals may be accorded prestige without good cause. But the question which settles the plausibility of natural selection explaining prestige bias is not whether prestige bias will sometimes lead to the copying of maladaptive techniques; the question, rather, is whether individuals who learn from the prestigious will tend to be fitter on average than individuals who either do not learn at all, or who are equally likely to learn from any member of the population, regardless of their social status.