Background on Big Data and Privacy

We are living in 2020 —— the age of big data.

As the volume, velocity, variety, veracity and value of big data increases exponentially, we have witnessed the substantial applications of big data in practice.

Here is the definition of Big Data according to Oracle:

In this era of the Internet of Things, data is the basis of almost everything

For example, today, WeChat(a Chinese multi-purpose messaging, social media and mobile payment app developed by Tencent) already has more than 900 million independent device users every month.

Similarly, Google’s monthly activities have already exceeded 2 billion, and Facebook’s monthly activities are approaching 2 billion as well, which is equivalent to nearly 30% of the world’s…