The first devkits were sent out shortly after Microsoft's supposedly top secret developers' conference in London on 28 February of this year. Crytek's senior technical artist Sean Tracy prematurely Tweted his attenng: "enjoying the Durango developers sudon. So far, great swag and i nteing talks." An hour later, Tracy remembered the secret part of his secret Microsoft Conference invite and deleted the Tweet, albeit slightly id confirming the next Xbox is ced Durango, and repretives from across Euroritain for a briefingw hardware.