Big data industry in recent years the application field is still increasing year by year, so more companies began to pay attention to and layout of the field of big data, the gap in the demand for talent is very large, a part of it is not credible, there are a lot of scammers in the name of big data to deceive people who do not understand the big data, in some recruitment sites everywhere in the post of big data analysts, not limited to any conditions. After you go is to lull you into lecturing, and finally can not escape the fate of the killing plate.