Bostrom aggregates the results of four different surveys of groups such as participants in a conference called “Philosophy and Theory of AI,” held in 2011 in Thessaloniki, Greece, and members of the Greek Association for Artificial Intelligence (he does not provide response rates or the phrasing of questions, and he does not account for the reliance on data collected in Greece). His findings are presented as probabilities that human-level AI will be attained by a certain time:By 2022: 10 percent.By 2040: 50 percent.By 2075: 90 percent.”Most experts say AI isn’t as much of a threat as you might think