There's an app for just about everything these days, but the free Open Road iPhone application from Mobil 1 is one of the better ones we've seen.
That's because among its natty features is a list of the best driving roads in the UK - so wherever you are you can take a detour towards twisty fun.
Designed to be the ultimate road trip accessory (for iPhone owners), tell it where you're going and it will also list all kinds of activities within driving distance.
The video below, hosted by celebrity chef and car buff James Martin, explains it in full.