Phil Spencer Interview. Kudos.

[LivingMetal]

"...but I'll say we're not motivated by beating Sony, we're motivated by gaining as many customers as we can."

From http://www.gamespot.com/articles/xbox-one-exec-admits-ps4-has-huge-lead-not-sure-if/1100-6431292/

It looks like from 360 to 1, they did a 180 on their stance on the market.