Some link die

I open this post not only for me but for anyone who keeps up with this track reporting some links had died. And tell the author if he would recommend us similar ones:

• Machine learning overview:

• Deep Learning - A Non-Technical Introduction

[Anirudh257]

You can add

• https://www.elsanow.io/home

[yassinrais]

try to use http://web.archive.org/
if the are any copy of the link or not :)