Data is everything in the marketing
Data analytics is a practical approach to informing firms' digital marketing strategies, and even further, it can help them to increase ROI; however, we need to look at this with caution as bad data analytics can also lead to creating what is called "bad marketing" that can bring losses to firms.
The main reason that can lead to bad data analytics is the weakness associated with the tools, which require too much work from academic research to reach the level where marketers can fully trust them. The key differentiator between a successful digital marketing strategy and a failed one is the quality of the data used to build the process.