Five things we're all wondering about 1 GPS system in our taxis ... Yes, it should help with navigation and routing, but it's not going to prevent them from cutting off other traffic on the road and leaning on the horn like it's the accelerator pedal. 2 Mainland Chinese authorities admit most top-level corruption involves sex ... As Scarface's Tony Montana said: 'First you get the money, then you get the power. When you get the power, then you get the women.' 3 New jumbo A380 plane flies over Hong Kong ... it's the biggest thing to take off in Hong Kong since the much- sought-after 'I'm Not A Plastic Bag' bag. 4 Nine-year-old says university too easy ... Other students agree. That's why, to make life more interesting, they decide to skip classes, cheat during their exams and make sure their language skills deteriorate as quickly as possible. 5 Cyd Ho Sau-lan drops from by-election race so pan-democrats have better chance to win ... Surprised political pundits all say: 'Democrats still think they can win an election?'