Big data has always been a relatively mysterious industry, in recent years because of big data discriminatory pricing only by more ordinary people understand, so have you ever thought about big data whether it is the development or analysis, where the data inside are from?
collected through their own products
The simplest way is to collect user data through our own products, we need to register a personal account to use any app, this account is stored in our data, this time the relevant companies can analyze the potential demand through our data to make different recommendations.
Acquire other companies
Careful friends will find that some large companies are particularly keen to acquire other companies, have you ever thought about why? One of the big reasons is that the acquired company has the user data they need, and it is a convenient way to get the data you want directly through acquisition.
Web Crawler
The third way is to get data through Web crawlers, but this way to get data is more limited, you can only go to get the data on the network, and some user data is still difficult to get.
In fact, the most important thing about big data development or analysis is that to through these large amounts of data to filter out the data you want, and through the data to further analyze the user's next possible operation, so we recommend that you have a basic understanding of the data sources can be, do not need too much to explore in depth.