Forfeited money from unfulfilled promises goes to a charity or, depending on the user's preference, an "anti-charity" -- one the user doesn't support.

CNN: Putting a price on procrastination

Calls and messages can be routed through the Internet, or on commercial systems, depending on a user's preference.

FORBES: Magazine Article

Radar offers three different views which can be selected according to the user's preference using the HUDs wireless remote.

ENGADGET: Recon updates its HUD tech, adds new view modes to MOD Live