Business Intelligence (BI) is just a fancy term for reporting. If I ask a business user what a report is, he/she will be able to bring up an image in their head of what it is and explain it as well. To make it easier to understand BI, just consider it as a reporting mechanism. That begs to the question why we have a fancy term like BI for a simple concept like reports?
There are projects that become industry-wide references and then there are those that are dusted away beneath the carpet. The bigger solution providers have a higher rate of success than smaller solution providers simply because they have a very well defined program on how to deliver certain projects. They have a gold mine of internal documents/trainings/mentoring and have a better rate of success.
Being part of a firm that is regarded as one of the biggest and most prestigious consulting firms – the big blue, I have had a lot of experience in managing EDW/BI implementations. I have learned first hand on what are the key points-of-failure and I share them with my readers.