Ed: This is actually a pretty good idea. Most of the world is just terrible at backup. Phones, Notebooks, Small Business Servers. Corporates have laptops running around that are never on the network at backup time, the IT Admins response is everything should be stored on the server and it will be backed up, but thats not how people work, they like their documents local. I ran a business for 8 years where one of our key and constant issues was ensuring customers had functioning backups.

But not many people talk about backup in the day of Cloud Computing, its almost forgotten and while you are far less likely to lose data in Googles multi server cloud farm with redundant copies of your data and documents everywhere there still is the possibility it could happen.

Likewise you might not lose it to software or hardware failure but it is possible that a malicious staff member could delete or corrupt your docs/data and without a long term archive strategy you will never get it back.

So Upsafe is a good idea, the question is whether businesses who use Google Apps will see the value and take it up, would have thought there are compliance requirements which would see this used as well.