Two years ago, then Duke University student Jake Stauch presented a unique approach to marketing focus groups – a device with sensors for your head that could record your reaction when you watch a commercial.

Stauch said at the time – presenting at ACC entrepreneurship competition Startup Madness – that his company, Neurospire, would change the way marketing decisions are determined.

And Wednesday, two years later, he’s licensed his “neuromarketing” software platform to companies in…