@Simon I think that L&D, KM, OD, HR, IT, etc. had better learn how to integrate and play well together or they may all become redundant.

I was going to say "bingo", but hmmm ... redundant ? Relatively ineffectual, maybe. I don't see HR and IT becoming redundant, though I am pretty sure I know where you are coming from.

It's clear to me, though, that all of these more-or-less siloed areas have, in an interconnected environment and focused on enabling effective work, massive incentive to integrate and / or collaborate closely on what they do and deliver.