With the current way of life, every other day we are signing up for a new services online and that means more usernames, passwords and so on to remember in addition to the thousand other things the mind is already occupied with. I personally have been faced with the situation of forgetting my passwords for sites I do not use much, many a time.
There was a time when most Nokia S60 phones came with a built in wallet application called wallet which could encrypt and store all your usernames, passwords, …