The chart below shows the growth rate of global data
Why Big data ?
- Global data is doubling every 18 Months
- More data has been created in the past two years than in the entire history of the human race.
- every minute about 300 hours of videos are produced
- Every year about 1 trillion photos are taken
- Every year 1.4 Billion smartphones are shipped, each one with multiple sensors
- Data is growing not just in volume but also in variety and velocity
- Exponential growth in unstructured data (Facebook, Twitter, LinkedIn, Emails, Videos, Images)