Last year some 6,000 attendees trekked out to Las Vegas for the first customer conference of what many consider to be the leading public IaaS cloud provider: Amazon Web Services. AWS re:Invent 2012 saw the launch of a new data analytics and warehousing product, price drops on its services, and lots of tips and tricks for how to use Amazon's cloud. Here are six things to watch for at second installment, happening this week: