Article on how Wal-mart uses Hadoop

This article from businessweek gives a insight into how big companies like Walmart, Nokia and Disney uses Hadoop for their revenue growth. Big data analysis is not an option anymore, this has become a need to tweak the customer experience , to provide better recommendations. If you need some more inspiration for learning Hadoop read it through

http://www.businessweek.com/technology/getting-a-handle-on-big-data-with-hadoop-09072011.html