The Chinese economy boom has helped increase numbers of both great and not-so-great things. On one hand, you’ve got rising literacy rates, development and internet penetration. On the other hand, you also get more pollution, city overcrowding and… syphilis. According to the World Health Organization, cases of the STD are now growing by 30% a year, and it’s all because of migrant workers who now make enough money to hire more prostitutes. All the more reason to take up Zhang Feng’s proposal and give them sex toys, eh?