The videos of the sessions are now available.  This is the recent symposium that took place on the Microsoft campus.

• Session 1 http://su.pr/2nwEB8
• Session 2 http://su.pr/2CHWFN
• Session 3 http://su.pr/5TcdUT
• Session 4 http://su.pr/5EtawN

Thanks to Lisa Green, Hope Leman, and everyone else who put this together.