When the phone rings, when an e-mail arrives - how often is it an issue that needs solving?
Can you count how many times that happens in a week?
Any idea how often you forget to follow up?
And can you tell me, honest now, you remember ten months later how you solved that particular problem?
Or, do you have an inkling how your co-workers solved a similar problem last week?
For some industries all of the above is their core value adding process - consulting, health - for the rest it's a daily nuisance.
The classic and omnipresent Barely Repeatable Process that can be given a proper framework to ensure accountability (nobody can blame bouncing e-mails) and knowledge increase from every step done (capture the data by the task itself).
Built a simple and generic one in thingamy captured on video here. Took me 17 minutes to build. Including testing.
Nothing fancy of course, and tweaking it to something useful for a specific organisation would take a few minutes more...