In terms of data storage and sharing, in what way, if any, do dropbox services differ from archiving services? a) archiving services store previous copies, while dropbox services may not save prior versions. b) archiving services are used to share and exchange files, while dropbox services only store information. c) archiving services and dropbox services typically offer the same storage and sharing options. d) archiving services are used by libraries and government agencies, while dropbox services are for everyone.