This document contains an agenda for a Windows Phone Arch event. The agenda includes: - A 20 minute Windows Phone Arch overview from 13:20-13:40 - A 40 minute session on networking in Windows Phone 7 from 13:40-14:20 - A 20 minute session looking at the future of Windows Phone from 14:20-14:40 - A 90 minute session on building a "Hello World" application for Windows Phone and Windows Azure from 14:40-16:10 - Lightning talks from 16:20-16:50