Best sources for Big Data

Data is exploding in every way. The amount of Data accumulated in the last two years is more than the data accumulated in the entire previous years. For example, Facebook users send on an average 31.25 million messages and view 2.77 million videos every minute, and in every minute up to 300 hours of video is uploaded to YouTube alone. By 2020, we will have over 6.1 billion smartphone users globally. It means, Data will explode from 4.4 zettabyets today to around 44 zettabytes.