For anyone interested in articles on Live Alerts, I've posted a new artcle:
Writing Your First Alert Messages
This article discusses the basics of the using the Alerts SDK and provides some simple helper methods help you write your first alert messages
There are two different types of Live Alerts:
1. Alerts based on RSS feeds. Everything you need to know about this type of alert can be found at http://signup.alerts.live.com/brochure/index.jsp
2. Alerts based on an SDK. This article concentrates on the Alerts SDK.
Check it out HERE