[celsoazevedo]

> I am hesitant to put any large amount of data into a service without a crystal clear statement on this, so that I can know up front whether or not a business needs to maintain a second, duplicate object store somewhere else for business continuity.

It's a mistake to rely on a clear statement when you can't afford to lose your data. Stuff happens all the time... mistakes, malware, an expired credit card, etc. Independently of the provider you decide to use, I'm not sure if a backup is optional in your case.