Why do different versions of Silverlight assemblies have the same version number?
Location: ...\Silverlight\v3.0\System.Core.dll
Name: System.Core, Version=2.0.5.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e
Location: ...\Silverlight\v4.0\System.Core.dll
Name: System.Core, Version=2.0.5.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e
Location: ...\Silverlight\v4.0\Profile\WindowsPhone\System.Core.dll
Name: System.Core, Version=2.0.5.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e
While standard .net has different version numbers
Location: ...\Framework\v4.0.30319\System.dll
Name: System, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089
Location: ...\Framework\v2.0.50727\System.dll
Name: System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089