In this video, Jobi Joy, UX Architect with IdentityMine, joins John to discuss some of the lessons his company learned while contributing to the very popular and successful IMDB and Twitter Windows Phone applications. Jobi covers a wide array of topics, including the design and the UX of the IMDB application as well as what "perceived performance" means, and he dives into the framework he put together for panorama controls. Relevant links: John's blog and on Twitter (@john_papa) Jobi on Twitter (@jobijoy) Follow us on Twitter @SilverlightTV or on the web at http://silverlight.tv