Exercise - Letter to Your future Self

Imagine: it's year 20030 and for the N-th time, You just left Your cryogenic chamber, fresh and ready to act.On the table, there is a bunch of letters You wrote to Your future selves with an intention to be read (and re-read) thousands and thousands of years in future. You open the letter in the envelope with id "0" and read ...The 0th exercise for You is to write that letter. NOW