What do top apps have in common? It’s a question that’s probably crossed your mind as you design and publish your own apps. Well, we were curious, too. Recently the Marketplace team spent time crunching download stats and doing side-by-side comparisons...

On Friday we’ll begin upgrading the infrastructure underlying App Hub and Marketplace, a long-planned improvement project that I first wrote about back in April. If you have an app you were hoping to update or publish to Marketplace this week, you should...