Industry analysis suggests some 27-billion spam calls were made last year in China.

The number of calls through the 4th quarter nearly doubled compared to the same period a year earlier.

Is it that bad? Have you got such calls?

Topic 2: Fake banks in ChinaA fake bank in Nanjing, East China, that looked exactly like a real bank has managed to scam people of almost 200 million yuan worth of deposits in just a year.

This is not the only fake bank in China, however.

Fraud cases involving fake banks and phony banking websites have also been reported in Shanghai, and the provinces of Shandong and Hebei.

How bad is it?

Topic 3 Girls are better at math than guysBoys are better than girls at math. At least that's what most people tend to think.

However, a new study of the University of Missouri suggests that women are actually better at math than men as girls have a natural head start.

Is that true?

Topic 4: Must-have for ChunYunYesterday marks the first day of this year's Chun Yun, or the Spring Festival Travel Peak. In the following 40 days, some 300 million Chinese will travel by train. How to kill time during the hours or even days of trip? Some net users list 10 must-haves for Chun Yun.

Have you ever used any of these on the train?

Topic 5: Boyfriend loyalty detectorDo you trust your other half?

If you have reservations, you can turn to Taobao, which now sells a service called loyalty tester or cheater terminator.

The idea is simple, it is to hire a man or woman to seduce and flirt with your partner and see if the later takes the bait and makes further moves.

What is the service? How does it work?