Is it legal to share my textbook knowledge on youtube?

Question

Hi I have read a very good business book. Now i want to share my knowledge which i acquired in this book through youtube. Should i get any legal permission from the writer of this book OR
is it like anybody can share their knowledge from any source they acquire ...Can anybody please clarify
Is it legal to share my textbook knowledge on youtube.

Answer 1

I seriously don't think it would be illegal to do this it's actually a good thing more like a review on the book

Answer 2

You can put few inputs and put the source where it's from, if you want to tiny full textbook then you need to legally contact the author and check for the permissions.

Answer 3

Knowledge, yes, you can share it. Pictures of the text pages, or reading it, no.