The American cellular phone industry grew from less than 204 ,000 subscribers in 1985 to 1 ,600 ,000 in 1988 . While North American groups concentrated on building out their analog network , Europe planned to create ``a single European wide digital mobile service with advanced features and easy roaming (Tom Farley . Europeans started a new cellular structured but fully digital service . The main reason for that was that ``no new telephone system could accommodate their existing services in Europe on so...