https://www.schneier.com/essays/archives/2006/05/the_eternal_value_of.html https://www.schneier.com/essays/archives/2006/05/the_eternal... Here, read and under

https://www.schneier.com/essays/archives/2006/05/the_eternal_value_of.html https://www.schneier.com/essays/archives/2006/05/the_eternal... Here, read and understand.