For some reason I've encountered some problems uploading the pictures. The attached Doc file contains the text + images. Last week I was asked about adding comments to the reports. Let's look on a typical scenario (projected on AdventureWorks) There is a report which shows monthly sales On July 23 rd 2007 the company released new model called "KillerBike" Few days later, on August 5 th 2007, one of their biggest competitors released new model called "EnemyBike" Users want...