If you are interested in the building mobile applications or have been in the past you might want to check out this blog post:

Charlie Kindel - Different Means Better with the new Windows Phone Developer Experience

What does this mean? Let me take some out takes and highlight them for you.

It won’t come as a surprise to many to learn that the Windows Phone 7 developer experience builds upon the following GIANTS (among others):

• .NET
• Silverlight
• XNA platform
• Microsoft’s developer tools
• Web 2.0 standards

and

To enable the fantastic user experiences you’ve seen in the Windows Phone 7 Series demos so far we’ve had to break from the past. To deliver what developers expect in the developer platform we’ve had to change how phone apps were written. One result of this is previous Windows mobile applications will not run on Windows Phone 7 Series.

To be clear, we will continue to work with our partners to deliver new devices based on Windows Mobile 6.5 and will support those products for many years to come, so it’s not as though one line ends as soon as the other begins.

Once again, more details at MIX10.

Start watching the @WP7Dev twitter account for more info.