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Absolutely. Don't forget positive feedback, as well. Many people put themselves down even when they're quite good at a particular thing. They need to know that too!

Oh definitely! Any anonymous feedback is a plus. People are more inclined to say how they feel then. If it's good, or bad. The last service I ran, there was an anon feedback box I set up. Very interesting it was to be honest!

I can imagine it was quite interesting!

It was. I often got in to notes like, "Bring Jim back, you suck" Jim being the last IT guy they had, haha