Talking about knowledge, the last 10 years the number of polytechnics and university graduates had been mass produced like commodities..... 20-30years ago, entry into university are only top brilliant, now is like everywhere.....nowadays even university need to have fancy advertisements to compete against each others...too many vacancies........last time, when A level results out, there is only a small standard notice on the newspaper that university is open to application....what a huge difference