While size is the main focus, there are also a few other improvements being toted in the Sprint -- it sports a micro-USB port for charging (changed from mini-USB), a softer cable between the buds, an inconspicuous notification LED, enhancedcall quality and the multifunction button has been repositioned to the top of one of the earpieces (the JF3's is on the outside).
With what they call"enhanced underwriting, " the spots have grown from "the following program is brought to you by a grawnt (yes, grawnt) from Mobil" -- which I still think is the best ad ever written in 12 words or less -- to full-blown productions showing products and services that could and do run on commercial TV.
The enhanced due diligence requirements for financial intermediaries call for a risk-based assessment designed to prevent the acceptance of untaxed assets.