iPhone firmware reveals possibility of hidden apps - Translator, Business, Converter, Radio

With the iPhone’s file-system cracked open for all to see, everyone and their grandma is free to browse through the iPhone’s guts for kicks and giggles. And, all that snooping around has uncovered a few interesting bits of information within the iPhone’s firmware. It seems that there are 4 hidden references to unused, possibly hidden, applications in the "LocalizedApplicationNames.strings" file: