According to Wikipedia, big data is a collection of data sets so large and complex that it becomes difficult to process using on-hand database management tools. It’s data that until recently, was so big and complex it was extremely difficult to analyze. But, with the help of technology, big data sets are being processed, tagged, sorted, compared and contrasted in an effort to extract meaning. Hidden inside the data, it is believed, is information business can use to make informed decisions.
How big is big data? According to IBM, “Every day, we create 2.5 quintillion bytes of data — so much that 90% of the data in the world today has been created in the last two years alone. This data comes from everywhere: sensors used to gather climate information, posts to social media sites, digital pictures and videos, purchase transaction records, and cell phone GPS signals to name a few. This data is big data.”