And for good reason: We are a credulous people.For proof, open your spam folder and count the chain emails from 1998 that are still coming in, dutifully forwarded by friends and relatives.

• 证据就是打开你邮箱的垃圾箱，数数看有多少早在1998年就开始的连锁邮件仍在被你的亲戚朋友仍忠贞不贰地传递着，陆续涌入你的邮箱。