RAW DATA (Big Data) or are you planning on analyzing that Big Data and presenting FINISHED ANALYTICS to clients?? If you are planning on allowing many many customers to access your data, then how big is your helpdesk and how big does your network throughput need to be to allow customer-access? And what about Security? If you're mostly in the cloud - is your CSP going to provide sufficient security? If you are mostly NOT in the cloud - what's your general plan for Security?