Welcome to the introduction to Big data!!! Here you will learn what is Big data? The actual definition of Big data. Big data is the combination of all types of data such as structured, semi-structured, and unstructured data collected using various methods and organizations This data or Big data can be further processed to fetch information, which is further used in machine learning techniques and training various models that depend on this data, in deep learning and data analysis projects. Big data is very helpful in doing predictive analysis or modeling. Why is it so? Big data means there is a large amount of data that is collected using methods. These methods are reliable and very advanced, thus the data received is quite accurate and the information obtained from this can give us very good results and we can predict the outcomes of related tasks. This one application of Big data is quite useful and a key reason why we or most people learn Big data. I hope this would be a good experience and keep learning.