As is typically the case in these situations, it may be easy to build your own (if you have the tech expertise), but then you have to maintain it, upgrade it, a

As is typically the case in these situations, it may be easy to build your own (if you have the tech expertise), but then you have to maintain it, upgrade it, and generally keep a team of experts around to make it all work over time. Certainly the quality of internal search, regardless of how you would go about it, will dramatically improve from where we are today.