"As in a medical trial, you want to have customers randomly assigned between the two contract types to make an objective comparison, " he explains.

FORBES: Magazine Article

He would not comment on the types of clients the firm caters to, but it reportedly has a contract with Mubadala, a state-owned investment firm in Abu Dhabi.

FORBES: Tony Blair's Firm Denies Offering Financial Advice

And besides, we don't know too many early adopter types that could resist the siren call of 3G halfway through their existing iPhone contract, thereby re-upping their contract for another few millenia.

ENGADGET: CE-Oh no he didn't! Part LIX: Elevation's McNamee predicts death to iPhone on June 29

The problem: Contract selection is never random but influenced by factors such as fleet size, usage level, types of product and risk aversion.

FORBES: Magazine Article

Dr. ZULLO: Although there's some advantage to being a union which specializes in an industry, the process of forming a union and then bargaining and getting a decent contract, there's quite a few sort of universal concepts that apply across all different occupation types.

NPR: UAW Sets Sights on Other Industries