Couldn't it help but share it with you, this is what i found in my Yahoo spam folder today:
Welcome to the All-New Yahoo! Calendar and Yahoo! Notepad!
We're excited that you're trying out the All-New Yahoo! Calendar and Yahoo! Notepad. These new versions give you much easier ways to share your calendar, send event invites, colour-code calendar layers, zoom in on days, and sync on your mobile device. Some exciting features of the All-New Yahoo! Calendar etc.
Way ta go Yahoo!