Semantic network hyper-reference of the brain

Why isn’t there a massive intricately hyperlinked semantic network brain encyclopaedia? I think I’d even pay for it to be constantly updated. Organised at the top level neuroanatomically, but with lots of functional information and links to articles, e.g. Brain areaBrodmann numberother names and abbreviationsdiagramsareas it’s a part ofareas which are part of itinputs fromprojects […]