Answer:
We outsource part of the processes we could perform to an external brain that accompanies us throughout the day, the smartphone.
Step-by-step explanation:
The concept of the external brain may vary by context, but when we see academics referring to this term, it is usually due to the fact that, compared to a few decades ago, we no longer need to spend our brain storage on information such as lists, contacts, addresses, and even relevant lessons, as we now record everything on our smartphones and any questions we can quickly resolve on the internet.