- Built-in WiFi (ah, many)
- Built-in Bluetooth to load/save settings, use audio headset, integrate with GPS (dg)
- Built-in hard drive (ah)
- Built-in GPS (several)
- Built-in Compass (hv)
- True orientation sensors to record exact orientation (dg)
- Acceleration sensor records exact camera movement during picture taking (th)
- Bluetooth remote trigger (jb)
- Wireless shutter release options (kw)
- Use mini-XLR instead of 10-pin (mf)
- Allow USB drive to connect to camera and download images (se)