Diary's and Journal's have been used for various centuries now, but do we know why and when did the need for one such tool arise?
Every single day, a minimum average of 20,000 thoughts cross a Human Brain. Making a note of the important thoughts out of this vast pool is extremely necessary in order to act on them later.
This has been done in various ways before. When Early men inscribed images on their caves stones, traditional South-Indian's writing on Palm leaves, and many more. But soon came the realisation of having a Portable alternative and that is where the idea of a Compact Diary came into being.