Is big data a liar?

In recent years, the application fields of big data industry are still increasing year by year, so more companies begin to pay attention to and lay out the field of big data. The gap in talent demand is very large, and some of them are incredible. Many scammers cheat people who don't understand big data in the name of big data. The position of big data analyst can be seen everywhere on some recruitment websites without any conditions. After going, they will fool you into giving lectures, and finally they will not escape the fate of killing the pig board.