

Westaway is a real magician, a member of the Magic Circle, a century-old secret society.) Mr. Rose had returned from leading an enchanted-objects workshop at the Copenhagen Institute of Interaction Design with an English magician and industrial designer named Adrian Westaway. He’d simply like to embed some of those things with special powers. He wants to keep his keys, his musical instruments, his wallet and his pens, along with his hand tools, maps, cameras and books. Convergence, the great technological design mantra of the oughts, is to Mr. The smartphone or tablet with its bland, dark screen and multitude of “tiny, inscrutable icons” leaves him cold. In such situations, you have to think of the jawline.)

This reporter sympathized and tilted her chin skyward. Rose said his wife won’t let him wear the Narrative at home. How often do I snack? How often do I check my cellphone when I’m with the kids? How social am I? Can we measure the smiles of my friends, not who they are, but an aggregate thing, meaning how much smiling happens?” (Mr. “But I’m interested in how it monitors what I’m doing all day long. “It’s being marketed as ‘Don’t miss a great picture,’ ” he said. He is fascinated by how the meta-data it captures - the thousands of photos taken each day - might be used.

Media Lab, ground zero for such playthings (though this one was made by a company in Sweden), had been wearing the Narrative for weeks. Rose, an instructor and researcher at the M.I.T. The device is called the Narrative, a “life-logging” camera embedded with a GPS device so that all the photos it takes are marked by your location. Every 30 seconds, with a cracker-size plastic clip he wore on the placket of his short-sleeved blue plaid shirt. David Rose was taking this reporter’s photo.
