Insider preview mark gone
We just finished the update of Windows 10 build 10240. This number is easy to remember as you just ad a zero to a 1024 which is a round number in IT brains.
Release to Manufacturing
The first candidate, or the final version of Windows 10, is very close. Microsoft has only three weeks before it starts offering Windows 10 to retail customers and as an update for many pre-qualified Windows 7 and 8.1 owners.
IDF 2013: Thanks Redmond for listening
OEMs officially first