Big Data is a term that is already part of everyday business. Big Data defines the immeasurable volume of data (structured or not) that impact business in your day-to-day life. Much more important than the amount of data that is generated daily is what companies can effectively do with this data in order to increase the quality of their performance. According to IBM, there are now three times more devices connected to the Internet than people in the World. This data is more than enough proof of the amount of information that is generated every minute, which is a challenge for companies. But how can they take advantage of the data generated daily? In this article we will talk about the main opportunities created by the big data.