Jon questions

Jon answers

• What is the purpose of the GUID in a WP7 application?
• Getting a parameter is incorrect error with TextWrapping property set to WrapWholeWords?
• File not found exception in background downloader
• Managing the Free version of my app
• send byte array by HTTP POST in store app
• Portable Class Library HttpUtility.UrlEncode
• C# DataReader issue when used with .AsInputStream() converted stream
• Background thread in Windows Phone 8.1 app
• Windows Phone Page Navigation