Millions of them, who arrived in urban areas in the late 1980s, choose to keep working as long as they are able for they cannot afford retirement.

How big is the problem? Why do we care?

Topic2 Reading on WechatChinese adults read news and threads on smartphone app WeChat for more than 40 minutes a day on average, according to the latest annual survey of China's reading habits released earlier this week.

Is it a good thing or bad thing?

Topic3 China's LGBT Consumers: A $300 Billion MarketLong an important target for marketers in the West, LGBT consumers often have higher disposable incomes and lead consumer trends. But China, home to the largest LGBT population in the world, has not received the same attention from businesses targeting the community.

With public acceptance of LGBT people continuing to grow in China, the situation is changing.

How big or lucrative is the market?

Topic4 China goes gaga over pole dancingA bald muscly man has attracted netizens' attention as he showed off his pole-dancing skills on the subway in Chengdu. A fellow passenger commented "I wanted to cover my eyes, but eventually I succumbed to his pelvic sorcery."Already a popular form of fitness around the globe, the craze is said to sweep China, attracting legions of consumers with money to burn.

Is pole-dancing really that popular?