Going by the PageRank (PR 6), you can guess how many sites are linking to this post on JoelOnSoftware. The content is that powerful.

Here’s the summary:

1. Fix everything two ways
2. Suggest blowing out the dust
3. Make customers into fans
4. Take the blame
5. Memorize awkward phrases
6. Practice puppetry
7. Greed will get you nowhere

Post: 7 Steps To Remarkable Customer Service