summary:This 6 minute English is about how English change. 

Teenagers use their code like fomo, bae, plos. And some words disappear like shall and must.

I think these changes are natural. Everything change as time goes by. There is nothing that doesn't changes forever.

vocabulary:

baffling

hard to under stand

on the way out

disappearing; declining in popularity and use

interrogative

question

win out
succeed after a fight

obligation
having a duty to do something

authoritarian
demanding obedience from people

shying away from
avoiding

progressive
ongoing; continuing

stative
expressing a state of 'being' – as opposed to 'doing'