I had the opportunity to sit down with Todd Brix for an interview during MIX 10 hosted as part of Bytes by MSDN.
Todd provides a great overview of the Marketplace for Windows Phone 7. I also give Todd a short psychological profile quiz so that you can learn more about Todd:-) Here is the link:
http://msdn.microsoft.com/en-us/ff606362.aspx
Be sure to check out Todd’s blog post on the marketplace as well:
http://windowsteamblog.com/blogs/wpdev/archive/2010/03/19/the-windows-phone-marketplace-part-2-of-2-a-different-way-to-encourage-application-discoverability-monetization-and-customer-connection.aspx