Why memory is important?

One of the most controversial topics in the world is, memory, for a long time, people have wondered how our memory works and how to improve it, for the simple task of remembering your friends phone without checking on your cell phone or to do better at school. As a language student, memory for me has become an important and interesting topic.I found this TED video very interesting I'll continue to talk about my memory journey, but before, let's see what can we learn about memory from this video.