Mei Li:
What term did former Yahoo! vice-president and author Seth Godin originate whereby potential customers 'opt-in' to receive advertising??
Shuai Zheng:
permission marketing
Mei Li:
Which Gilbert and Sullivan opera was originally going to be called The Tower of London??
Shuai Zheng:
yeoman of guard
Mei Li:
What disability did singer Al Hibbler have??
Shuai Zheng:
he was blind