For most people, the word "unforgettable" dredges up a myriad of different memories. For the older generations, it's likely the song by Nat King Cole that is at the forefront, followed by cherished memories of the past. For the younger generations, it's probably not as significant of a word because every life moment is documented by social media, selfies, and videos. And it seems in advertising, every movie, book, or product can be touted as "unforgettable" or "heart stopping" or "once in a life...