As technology changes, the world is finding better ways to track relevant data. The invention of RFID tags was created to track objects and it is predicted there will be 209 billion of them used by 2021. One way that companies track data is through the use of marketing analytics services. However, there are many methods for obtaining marketing information. It is wise to learn about these research methods to see what works well for your project. In this post, you will learn about four important primary research methods.