As the need for more metric-driven business decision making becomes essential to the corporate bottom line, reporting and business intelligence software are being pushed to the forefront of the enterprise IT radar.  Crystal Reports is the de-facto tool for BI reporting, and the wealth of Crystal Report Viewers available as freeware make it very easy for corporate end users to parse and study business metrics reports prepared by high-end enterprise reporting software.  This makes it very easy for end users to discover the report viewing software that works for them, and frees information technology administrators from the task of purchasing and installing one specific type of report viewer across their enterprise IT infrastructure - not to mention the cost savings from using freeware software on the client side!