Not long ago Jingdong was exposed to use a different account or use a different cell phone will have an impact on the price of goods, and it is to charge more for old users. Microblogging netizen Xiaolin Wizard posted that he bought a Plus membership in Jingdong, and found that the Jingdong price seen after opening the membership is not the same as that seen by ordinary customers! Subsequently, many netizens frequently exposed the actual hammer, in the Jingdong, the same goods or services, the old customers see the price is instead much more expensive than new customers.

This practice, formerly known as price discrimination, is now called "big data" after wearing a technology vest. Merchants use the user's consumption data collected, the target focuses on the same goods in different consumer groups price differentiation, big data this kind of technical means for the benefit of the country and the people, is becoming the Internet company's new weapon to rip off customers. This is a hot event leading to a number of people keen to discuss 'big data'.

In fact, our daily schedule, can be turned into data: every day by subway to work, belonging to the travel data; online shopping, belonging to the consumer data; go on a trip abroad, belonging to the entertainment data...

When the data of countless people are collected and categorized, they are collectively called "big data". What is the use of these data? For most people, it is of no value.

You patronize the breakfast store downstairs every day, and you can only see the amount of money you spend, while the store owner can count the traffic and sales volume, and learn about the customers' preferences, and then adjust the amount of ingredients.

Then extended to other industries, some medical institutions can use big data to improve the efficiency of clinical trials and research and development of new drugs; the government can use big data to build city planning maps and even control the spread of epidemics.

In this way, big data can solve a lot of practical problems, making our lives easier and enabling companies to better understand consumer needs. The country likewise wants Internet companies to lead the way in technological change.

But no matter how we evaluate it, the prospect of the big data industry is very bright, and overall, the development of China's big data industry in 2018 is still on a steady upward trend, with the market size reaching 32.7 billion yuan, a growth rate of more than 39% compared with last year. With the support of policies and the entry of capital, the scale of China's big data will continue to grow in the next few years, but the growth rate may level off.

Big data analysis is becoming more and more important to the development of enterprises, more than 35.1% of enterprises have begun to apply to big data within the enterprise; 34.2% of enterprises are considering the application of big data, 22.9% of enterprises in the next year have a plan for the application of big data, and only 7.8% of enterprises do not consider the application of big data for the time being.

Currently, the overall development level of big data in China's industry is good, and it has been applied in various industries. Among them, the application level of financial big data and government big data is high, while the development level of big data in industries such as transportation, telecommunication, commerce, medical care, education and tourism has also improved significantly.