Andy Weir gave a fun talk at Google about his experiences writing the book/some of the software he used to help him in his planning. You can find it here: https

Andy Weir gave a fun talk at Google about his experiences writing the book/some of the software he used to help him in his planning. You can find it here: https://www.youtube.com/watch?v=gMfuLtjgzA8 https://www.youtube.com/watch?v=gMfuLtjgzA8