Using Hadoop for data analysis can be handy for data sets that are too large for traditional relational databases, or in cases where the organization collects lots of data but doesn't know yet what analysis needs to be done on that data. JPMorgan Chase uses the technology for fraud detection and risk management. EBay is using the technology to build a new search engine for its auction service.
The technology has also gotten a lot of commercial support. Startups Cloudera, Yahoo-spinoff Hortonworks and MapR all offer commercial distributions of the software. IBM has incorporated Hadoop into its InfoSphere BigInsights data analysis package, and Microsoft has a copy of Hadoop running on its Windows Azure cloud service.