In China a lot of business is done below the radar in the informal sector but while these businesses may be faceless their advertising is not. Littering the pavements and walls of almost anywhere you go you’ll find gazillions of stickers and stencilled signs bearing mobile phone numbers with a short description of the services offered. Most are borderline if not downright illegal. The government employ people full time just to try and clean them off but its an impossible and endless task. A quick perusal of some in my local vicinity with someone to help translate turned up the following services: Locksmith Fake certificates Resident permit Plumber Fake ID card Loans Exam papers Backstreet clinics …and other unmentionable things Many of these activities…