No it's not a blog about the state of apple's latest NLE release ;)
It's a FCP X effect preset enabling you to obscure or highlight faces quickly.
BG FCP X Identity Crisis
Built in presets:
Blur Face
Pixellate Face
Face Outline
Face Highlight
Keyframe the mask position using the on screen control in the viewer.
Screenshot:
Extract to a folder of your choosing inside /user name / movies / motion templates / Effects
(e.g extract to a new folder called "Custom Effects")
Cheers,
Brendan