Действительно эпичная история исхода дропбокса из облака Амазона www.wired.com/2016/03/epic-story-dropboxs-exodus-amazon-cloud-empire

The Epic Story of Dropbox's Exodus From the Amazon Cloud Empire

Half-a-billion people stored files on Dropbox. Well, sort of. Really, the files were in Amazon’s cloud. Until Dropbox built its own. And threw the switch.