Windows 10 refresh: It's an upgrade, not an update

Someone at Microsoft must not have gotten the memo.
In a statement issued Thursday, Microsoft's top operating system executive repeatedly used the term "update" to describe the first major refresh of Windows 10, which has been tagged within the OS as 1511 to indicate it was released in November (11) of 2015 (15).
"Today, we reach our next milestone as the first major update to Windows 10 is now available for PCs and tablets," Terry Myerson, who leads the combined OS-and-device division at Micro