| 摘要 |
Various embodiments of the invention relate to a multi-function handheld user device that may have multiple selectable modes of operation for different areas of the user's life, each mode with its own database, applications, preferences, operational restrictions, and access limitations. Various mechanisms may be provided for switching between modes. Within each mode, context awareness and situational awareness may be used to obtain additional information or perform additional functions not directly requested by the user. |
