Another story from Japan Today, today:
Panasonic Corp said Wednesday that from February it will market four compact digital cameras capable of registering facial data in advance so that the cameras will automatically focus on specific people. With the function, users can take pictures of their relatives and friends in group photos more easily and can also input the names and ages of their children to record the process of their growth, the electronics giant said.
Read the whole story:
Such technology might be useful not only for focusing on specific people being photographed in public but for filtering out other people whose privacy we don't want to infringe upon.