You're missing out !
I started doing it when I realized that a book is nothing sacred, just thoughts the author where having. So by taking notes, it's like having a conversation with her.
It has the benefit of also teaching you to be more "skeptical" of what you are reading, always a plus.
>I started doing it when I realized that a book is nothing sacred, just thoughts the author where having.
the sacred part is often tied into the history of the book , the edition, the tradition, the binding options, in some instances the rarity of the documented text, whatever.
I have many books that are heirloom items from generations before me, I would never write in them. They are a testament to their point in history, and altering them would be akin to defacing art in my eyes, depriving future generations from the beauty that I got to behold unsullied.
If we're talking about "Do you write in the margins for "C++ for Dummies 69th Edition", sure.
On the other hand, it takes joy from potential second hand readers who may want the opportunity to draw their own conclusions without having yours "primed" by inadvertently reading your notes.
