For better or worse Milo is the face of the altRight and has been using the term for some time. In truth it’s currently really just the libertarian conservatives who hate the RNC and support Trump. Clinton pathetically tried to paint it as something sinister. Her speech was very reminiscent of her VRWC talking point from 20 years ago that proved just as weak and pathetic.
Milo is thrilled Hillary read his memes
http://www.breitbart.com/milo/2016/08/25/milo-to-hillary-you-did-this/