It's 2016 and Microsoft is incapable of creating a reliable cross-site login system. Instead, we still have the disastrous mess that is live.com. Minimum 2 redirects - at least 1 of which is Javascript (seriously?) - to handle a simple login. And when your cookies go a bit wonky, you won't even be able to browser the MSDN site to look up technical details. You have to manually clear your cookies. Again.