Interesting... I liked it. I don't understand the language one though... what would language mean?

This was an amazing video. but how can you use knowlege like this? Like in what situtations.. Example?

How to use this eye accessing cues in field ?

A nice gambit..you can even adjust it and use this as opener

PUA:"Hey, do you think it's possible to be able to tell if someone's lying just by looking into their eyes and asking some questions?"
HB:"I dunno kinda blablabla etc"
PUA:"Well here's the deal, me and a friend were having this conversation etc. Here's what I want you to do - tell me 3 things about yourself/ 3 things you've done today / 3 things you've done in your life - BUT - ONE of them should be a lie, the other 2 true. Important, when you tell me these things we must have eye contact, so look at me"
HB: Complies, you might have to give examples though
PUA: Uses his EAC skills and figures out the break of pattern when she's telling you stuff - they sometimes tell you very interesting things here. If you're unsure where the lie was, you can make some quick questions about her statement...i.e you think she lied when she said "I have a cat named Steve" - quickly ask "What colour is it ? When did you get it ? What kind of food does it eat ?" - They'll normally break pretty quickly and run out of answers if they were lying.
HB: Fascinated and extremely impressed
PUA: Tells her a little bit about that the eyes go in different areas to access the required information in the brain
HB: Solid DDB