That's... interesting... given that as far as I know the technologies Google uses in this space are proprietary. Even if "all online services" could possibly im

That's... interesting... given that as far as I know the technologies Google uses in this space are proprietary. Even if "all online services" could possibly implement such a system, it's likely they could only do so by committing copyright or patent infringement, if not both. I simply don't understand how this isn't ordering the impossible.