Here's what the folks at today's Blue Ribbon panel (Convergence 2010) had to say when asked the above-mentioned question:
Sprint: Vehicle to infrastructure (v to i) will be very important.
KIA: The industry will be looking at how to commoditze data.
Microsoft: A natural user interface will be big.
RIM: Intersection with the user’s lifestyle; how to make the car a destination point.
ATX: Management of loyalty, relationship with the consumer.
Freescale: We will be talking about what no one has thought of yet.
OnStar: Fundamental cost of maintaining connectivity after purchase.
Gartner: We'll be looking at things like leveraging metadata to improve traffic flow.