For an internal organization filled with non-technical users (most), link shorteners are very useful. Each shortlink has an owner, it can have delegates with edit capability, full history is shown to the entire organization.

go/holidays = holiday schedule

go/itrequest

go/ithelpdesk

go/corpcalendar

go/fsckyourself = self-service filesystem healthchecks

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yes, it is still a little chaotic, and no, it should not be a complete substitute for a well-indexed corporate directory. But it is a really useful shortcut generator for the people that are good at memorizing them, and it costs little to operate internally. Every place that I've worked at that didn't have one, I wish had one.