![The Facebook Friend](https://www.exampaper.com.sg/blog/wp-content/themes/exampaper/timthumb.php?src=https%3A%2F%2Ffarm3.static.flickr.com%2F2615%2F3908781911_59b2aba690_m.jpg&w=100&h=90&zc=1&q=100)
A plea for mathematical help from a stranger on Facebook made Miss Loi click the ‘Confirm’ button without hesitation, totally failing to notice her long unkempt hair, and her Japanese-sounding first name. A while later this appeared on Miss Loi’s wall, and this was what she saw …