For truly large quantities of data, physical delivery, and not the internet, makes sense. Amazon will truck your massive piles of data to the cloud with an 18-wheeler | TechCrunch
Meet AWS Snowmobile, a tractor-trailer for when your big data is just too damn big. The truck houses a container that can store up to 100 petabytes of data. Real-life data hoarders can contract Amazon to move exabytes of data to the cloud using the new tricked-out trucks.
As usual xkcd is way out in front of everyone.