Fabio Correa developed and has just released a new Windows Phone 7 application that pulls in Office 365 information from a variety of sources. You’ll see entries from the Office 365 blog, other technical blogs, Twitter, Facebook, etc. The application is free.
You can follow the http://windowsphone.com/s?appid=f9690989-d29a-4347-9d63-c0f1c593f07c link into the Zune software to check it out or simply search for “Office 365 News” in the Marketplace on your WP7 device. Enjoy.