Get ready for an app invasion in your car... lots and lots of apps. They can make your driving fun, entertaining, more useful, and save you money. And despite your first thoughts, they can also be used safely.

Ford (NYSE:F) has opened up its in-dash entertainment and communications system, SYNC, to all app developers -- and this open developer program won the company an Editor's Choice award from Popular Mechanics at the recent International CES in Las Vegas.

Motley Fool analyst Rex Moore spoke with Ford Chief Technologist John Ellis at the event. In this installment of a multi-part series, Ellis explains how developers incorporate safety features that keep drivers' eyes -- and their attention -- on the road.

Rex Moore has no position in any stocks mentioned. The Motley Fool recommends Ford. The Motley Fool owns shares of Ford. Try any of our Foolish newsletter services free for 30 days. We Fools may not all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.