Footsteps in the sands of time were made by exploring the new, the unknown, and the mysterious; discovering the secrets of the universe; and exploiting its resources. Over time, humans traveled to the moon, discovered fire, and used raw materials to invent machines to ease their lives. The current century is witnessing a technological revolution: people have started to use smartphones, smartwatches, drones, and connected Internet of Things (IoT) devices, among other technologies. What is interesting about this technological advancement is the fact that all invented devices share a common raw material: data.
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