TomTom and Nokia let owners suggest map changes on their devices.

FORBES: On The Road

Starting this month, Ovi Mail moved from its own platform and began migrating to Yahoo, the fruits of a " worldwide strategic alliance" between the two companies announced in May of last year in which Yahoo agreed to offer its Mail and Chat services to nine million registered Ovi users in exchange for access to Nokia's navigation and map services.

ENGADGET: Nokia's Ovi Mail relocates to Yahoo, takes the scenic route to get there

But, he says, Nokia probably will push for a map that is most useful for its customers all around the world.

NPR: Map-Making Firms Rumored to Sell for Billions

Nokia plans to continue licensing the map data to all of Navteq's customers but wants control of the data to begin developing location services and targeted advertising.

FORBES: On The Cover/Top Stories

As Cook helpfully pointed out, you can put a different map app (or in the case of Google or Nokia, a shortcut to their web apps) on your home screen.

FORBES: iOS 6 Map Flap: Should Apple Let Users Select Alternate Default Apps?

Crowd-sourced cartography is getting hot, too: in late May the company Telenav, which supplies maps to carmakers, said it would switch to OpenStreetMap, a collaborative project to create a free editable world map, from its previous suppliers, which had included Nokia and TomTom.

BBC: The politics of making maps

"While we're improving Maps, you can try alternatives by downloading map apps from the App Store like Bing, MapQuest and Waze, or use Google or Nokia maps by going to their websites and creating an icon on your home screen to their web app, " he added.

BBC: Apple apologises for Maps switch 'frustration'

From March 2010, all new Nokia GPS-enabled smartphones will come installed with the new Ovi Maps application and pre-loaded with local country map data and walk and drive navigation with access to location-aware Lonely Planet and Michelin travel guides at no extra cost.

ENGADGET: Nokia offering free turn-by-turn navigation on smartphones globally (updated)