@angealbertini does a lot of cool work in this area.
Check out this repo with examples of hash collisions for PDF, MP4, PNG, GIF, etc. https://github.com/corkami/collisions
I'm a big fan of Ken White (Popehat), his twitter feed is snarky and informative.
He has a new podcast on first amendment issues that is really well done.
I got two paragraphs in and said, out loud, "Are you kidding me" because of how masturbatory (for lack of a better term) it reads as.
bigLITTLE has been _shipping_ since at least 2013.