[SXX]

I readed it before, but thanks for posting it anyway since it's really interesting read. Decide to link sources I was referring to.

[1] http://amyshirateitel.com/2011/04/03/the-lost-art-of-the-sat...

[2] https://www.quora.com/How-did-we-lose-the-technology-to-go-t...