There was a video about tracking 3D objects using Vuforia a year ago: https://www.youtube.com/watch?feature=player_embedded&v=SFQ6MCpDLuk#!
But as far as I can see this thing never went public - I can not find it on the DevGuide or SampleApps. Am I right? Are there any plans to release it? What kind of capabilities will it have? (for example it looks like the objects require strong patterns on them).