The problems (1)

Remember those "(c) blah" ?

Map data is not freely available

Only a few providers are available, organized as a cartel

• Téléatlas
• Geosys DATA
• Cartosphere
• Navtech (now NavTeq)
• Spotimage
• Claritas
• Géosignal
• Moviken
• Europa Technologies
• Collins Bertholomew
• (... some more not listed)

List taken from http://geolibre.net/article.php3?id_article=11