Just got this in my (four) Emails.
It is entitled
Your exclusive invitation to the Lumia Windows 10 launch event
What a giggle. It is addressed, presumably, to two million insiders.
Begins:
You've helped us shape the Windows experience for millions
of people. As a way of thanking you, we want to invite you to be one of the
first to experience the new Microsoft Lumia 950 and 950 XL with Windows 10
first-hand
It turns out to be basically an offer to purchase some of their hardware