[hirsin]

Yes, per person. At 50 million users, you need a 35 Tbps pipe to take in all that data.

[yellowapple]

That can conceivably be split across multiple datacenters in multiple countries - something which Microsoft almost certainly has access to.

[hirsin]

Even breaking it across multiple datacenters you're still hardpressed to do those speeds over a short period (weeks), let alone constantly over time [1]. My point was the physics in the parent don't work.

1. http://blog.streamingmedia.com/2015/07/windows-10-launch-hug...