If you take the bus recently, you would realise that there's a Phua Chu Kang (PCK) and his wife, Rosie poster on the bus. It's a poster reminding you of being gracious. haha. I think it's kind of funny, and they made use of the funnyman PhuaCua Kang and Rosie to catch people's attention, reminding them to be gracious.Whether the advertisement will be effective in reminding …