Source: https://www.audible.com/pd/Science-Technology/Wired-for-Dating-Audiobook/B01B8IRYGA?ref=a_search_c3_a_list_product-2&pf_rd_p=e81b7c27-6880-467a-b5a7-13cef5d729fe&pf_rd_r=D41W8EF57ZK82EGPE0JV&