"<a href=""https://www.youtube.com/watch?v=8xD1K121mbQ&amp;t=4m06s"">4:06</a> just make it like a hamburger recipe or like any other food recipe", preserve and review it. so if we want for some reason, we can make it again in the future. the knowledge is always more valuable than the "artifact" itself IMO just like any other thing like food in this case.