Big Data is informing decision making at the the highest levels of business and even politics, but what exactly is it? This course takes a look at the essentials you need to know. You may be surprised to learn how quickly the sea of information doubles.
Big Data is big. Imagine being caught in a storm. Each raindrop of that downpour contains information. By collecting and examining the correct selection of raindrops, we can learn a great deal about our world and our own actions.
Big data is information. We live in the information age. Over 90% of all the data in the world was created within the last two years. The total amount of data created and stored is set to double every 1.2 years. That's a chunk of data!
When we think of big data, we can think of four main attributes. These are volume, velocity, variety and value. The recognition of the value of big data began early this century. In 2005, Hadoop was formed by Doug Cutting and Mike Cafarella in California.
Big data is so big that we need big words to describe the size of the data. Petabytes, exabytes and terabytes are some of the measurements we use for information storage. But which one is bigger and what do we do with all that?
Big data is a consequence of the internet. Take this quiz to see how much you have learned on this course. There are five short questions which review what we have covered. Aim for 100% or go back and try again. Good luck!