Hotmail now supports push email, calendar, and contacts with...

Hotmail is making it easier for you to stay up-to-date and be productive on your phone. Starting today, you can get your email, calendar, and contacts pushed automatically to your phone using Exchange ActiveSync (EAS). EAS keeps everything in sync between your phone and Hotmail, so whatever you do on your phone, like delete an email, add an appointment, or update one of your contacts with a new number, will also be reflected on the web, and vice-versa.

Read More at Microsoft Windows Team Blog