Seesmic uses Silverlight for client apps and HTML5 for web apps. Loic rounds up the capabilities to plugin social streams.
HTML 5 - When Canvas or SVG?
SVG -> High level Canvas - > low level
* Import/Export * No mouse interaction
* Easy UIs * High animation
* Interactive * JS Centric
* Medium Animation * More Bookeeping
* Tree of objects * Pixels (scaling not needed
Slides via Brad Neuberg
Developer Programs, Google

