Save the Date: February 2, 2015

Most likely as they held January 21st event for Windows 10 technical preview which follows the same analogy
2+1+1+1+5 = 10....
but who knows they may or may not release on Feb 2nd but I do hope MS to release on Feb 2nd and if not may be in the coming weeks :)
 
Makes sense, since it's after that whole Seahawks thing (which is Feb 1st).

But it could also be the 20th Feb.
 
Joe Belfiore tweeted: "Folks asking-- we are working on a video showing #win10 phone features, but it's another 1-2 weeks out."

Even though I would love to see its release at Feb 2nd it seems like its not going to be.
 
February release by Microsoft is as simple is this; Feb 28th. 2+8=10.
Don't expect anything more!

Haha! OP has some logic since it follows MS analogy but yours nope..
Need proof

 
While you guys are it, bear in mind it's an unveiling, not the release, of which we're getting the preview through Windows Insider :-)
 
Haha! OP has some logic since it follows MS analogy but yours nope..
Need proof


They did released the video on Windows 10 moves after making out available though!
 
While speculating is fun, you should keep in mind that they're not legaly bound to do anything we say here.
They can keep playing that game, or they can just do it whenever they want.
Not everything they do has hidden codes, messages and meanings - and the release dates of software mainly depends on when the devs finish building and internally testing it.

But hey, we know it's gonna happen in Feb. (most probably), so it can't be far away, whenever they decide to do it.
 
Because 2+2+1+5=10
This is fun.
2/11/15: 2 + 1 + 1 + 1 + 5 = 10
2/20/15: 2 + 2 + 0 + 1 + 5 = 10
2/29/15 (aka 3/1/15): 3 + 1 + 1 + 5 = 10

For the final release:
In June: 6/9/2015: 6 + 9 - 20 + 15 = 10
In August 8/25/2015: sin(82) * 52 + 0 - 1 - 5 = 10.2879 (version 10, build 2879)
In September : 9/5/2015: 9 + 6 - 20 + 15 = 10
In October (the 10th month of the year) 10/5/2015: 10 + 5 - 20 + 15 = 10
 
I'd be pretty surprised if the preview was out on the 2nd. But then, Microsoft has been throwing up plenty of surprises these days. So who knows?
 
Well, despite my mockery of reading too much into numbers, Joe B did say "after the Superbowl," and 2/2 is the first day after.
 
Basically if the Seahawks win then it'll be released on the 2nd if not then at the end of February :P