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In today's society with data exploding and the need for its management increasing in a way we could never have imagined, a knowledge of BIG DATA is essential.
Suggested Videos
Video - What is Big Data: https://youtu.be/j-0cUmUyb-Y
Brilliant TED talk on this topic:
Additional Reading (Go further and read to gain a deeper insight into the topic)
https://en.wikipedia.org/wiki/Big_data
https://www.techradar.com/news/what-is-big-data
https://www.ibm.com/analytics/hadoop/big-data-analytics
https://www.itpro.co.uk/business-intelligence/28173/what-is-big-data