¹ Shopping experience, or barcode scanning, not available on this device.
² City guide experience, or location-based tagging, not available on this device.
³ Movies experience, or image recognition, not available on this device.
So I wonder what the use case really is for the E51, and what the limitation is. I think the E51 has a reasonably fast processor, though the camera isn't all that great. I can understand how location-based tagging might not work without GPS).