Uniqlo does this - they have RFID tags embedded in their products so you can just dump all of it in a special basket at checkout and it autodetects everything.

Uniqlo does this - they have RFID tags embedded in their products so you can just dump all of it in a special basket at checkout and it autodetects everything. I suspect they also work for anti-theft as there are no separate, bulky anti-theft tags to remove.