[weavie]

This is a really good presentation on OCaml by one of the authors of this book.

http://youtu.be/hKcOkWzj0_s

[edwintorok]

I find the recent ocaml meeting presentations quite useful and interesting too, in the sense that it presents what people are using OCaml for, and what tools people are working on: http://ocaml.org/meetings/ocaml/2013/program.html http://oud.ocaml.org/2012/

[tizoc]

Another one: Effective ML

http://vimeo.com/14313378