| Description
| Innovation is often the product of collective brains, where cultural ideas and knowledge are recombined and improved over time through social interactions. Individual innovativeness benefits from exposure to diverse ideas and social connections, which create a “prepared mind” for innovation. The rate of innovation is influenced by sociality (how individuals connect), transmission fidelity(accuracy of cultural transmission), and cultural variance (diversity of ideas). This collective brain concept explains how innovations can rapidly diffuse and build upon previous knowledge, leading to increasing innovation rates historically.
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