What's the Difference Between a Urinal and a Toilet?

Every time you go to a bookstore, maybe it could be the smell of the books that you need to drop a number to. The thing to do is to recognise it and then work your way out of it. Australia invented the mathematics behind Wi-Fi and Bluetooth and they end up earning $1 billion in royalties. So this is part of the background, we're living in wired society where our phones are onWi-Fi and on Bluetooth. We should have a little party to celebrate. Right here we've got time from Adelaide. Tom, you've got a question about Bluetooth. But Dr Carl Bluetooth, do you know anything? Yeah.