Another reason to vouch for books is, it takes painstaking amount of research, collection, compiling, citations and proof reading before you would read it. Not

Another reason to vouch for books is, it takes painstaking amount of research, collection, compiling, citations and proof reading before you would read it. Not like someone spotting in the blog comment about a (logical) flaw. Not all tech content is BS though. Choosing whom to follow makes a huge difference, I follow Raymond Hettinger for Python, Blog posts make as a quick reference but fails as foundation building block.