What I notice, that large companies use their own private cloud and datacenters. At their scale, it is cheaper to have their own storage. As a side business, th

What I notice, that large companies use their own private cloud and datacenters. At their scale, it is cheaper to have their own storage. As a side business, they also sell cloud services themselves. And small companies probably don't have that much data to justify paying for a cloud instead of buying several SSDs/HDDs or creating SMB share on their Windows server.