Idris Khan multiples

Idris Khan's "Every Nicholas Nixon's The Brown Sisters" was featured in the recent "reGeneration" show that just closed at Aperture, an appropriated photograph made up of the average of all Nixon's group portraits of his wife and her sisters. Kahn's amalgamated take on the Becher's typologies has been picked up byt eh blogospher, it seems.

Joerg caught on to Khan last Fall.

Is it just me, or does this just seem like a parlor trick?