Data journalism is a response to the ongoing digitalization. It is closely linked to software and algorithms and feeds on the same fuel as computers and the internet: data. What method could be better suited to accompany and describe a digital world? Data journalist Lorenz Matzat provides insight into the relatively young genre of data journalism, targeting beginners in the field: What is included in so-called data-driven journalism and how can it be implemented? The first chapter focuses on the raw material of it all: data and its formats - how interactive journalism can be created in conjunction with software. The second section revolves around the methodological approach: acquiring and cleaning data, analyzing the data, and reporting with it. The third and final section deals with the product.