The new CloudApp() is a US-based developer challenge for .NET & PHP developers creating cloud applications or services (hereafter "application") on the Azure™ Services Platform. Have your application judged by industry leaders Om Malik and Michael Cote and share your cloud coding skills with other developers. Grand Prize Winners will be announced on stage at Structure 09 and featured on azure.com. In addition, a community winner will be chosen, based on voting to take place between June 19th and June 29th. 

More info: NewCloudApp.com