Inattentional Blindness: The Phenomenon of Missing the Obvious

In a viral video, people fail to notice a person in a gorilla suit walking in plain sight, illustrating inattentional blindness. This phenomenon, explained in the book 'Invisible Gorilla' by Daniel Simons and Christopher Shabri, occurs when you focus on one thing and miss something else happening right in front of you. Despite thinking you see everything, psychology reveals that you are blind to what you are not attentive to. This concept was first discussed in 2009 on the 'You Are Not So Smart' blog.