watched this a few days ago, and it is still great, in fact I think it might be just as relevant to day as it was then.
https://www.youtube.com/watch?v=0lstZVEfFlg
https://www.youtube.com/watch?v=bwhiWIqWR0A
https://www.youtube.com/watch?v=kAQEZHo68oQ
https://www.youtube.com/watch?v=0lstZVEfFlg
https://www.youtube.com/watch?v=bwhiWIqWR0A
https://www.youtube.com/watch?v=kAQEZHo68oQ