A couple links to check out:
An viewpoint I wrote on an out there, but real opportunity in advertising ringbacks. I know it sounds like it'd be the most annoying thing, but in some environments, it's a legitimate revenue or branding opportunity.
My brother Eric has a new blog on using lean in the Aerospace environment.
A couple friends of mine, Inaki and Andres, from MIT Sloan launched a cool new Facebook photosharing product at their startup Pixable.