Availability of connectivity coverage, advancement of tools and devices push the effort in digitalization of most of our activities. Sometimes, we get lost in enormous amount of data that we have whether from internal databases, surveys, sample collections or web crawling. This post will discuss about ideas on data usage mainly in retail business based on association rule mining although the rule itself is appropriate for a number of industries including bioinformatics, manufacturing, pricing, etc. We will go through the idea and implementation.