We've got a great value proposition against Chromebooks, we are not ceding the market to anyone.

Apple makes great hardware. The reality is, in the OS, we see things differently.

For commercial customers, we have invested in specialist mobile-first sales capabilities, and we are building out our device-selling channel.

We have been investing in building a mobile-first selling capability by establishing the Consumer Channels Group to strengthen and align the device-selling motion and to expand our impact with OEM, retail channel partners and our operator channel, and by extending it with our opening of Microsoft Stores.

We actually believe Windows 8 is the new era for the PC plus. We believe with a single push of a button you can move seamlessly in and out of both worlds. We believe you can have touch, a pen, a mouse, and a keyboard.

We believe that Apple has it wrong: they've talked about it being the post-PC era, they talk about the tablet and PC being different; the reality in our world is that we think that's completely incorrect.