[PDF]Presentation 12 - Rackcdn.comhttps://532386f9a72d1dd857a8-41058da2837557ec5bfc3b00e1f6cf43.ssl.cf5.rackcd...
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Feeds into web recommendations, marketing emails
Relational database for customer profiles, order history
Hadoop log files, purchase history
User profiles stored on Amazon DynamoDB
