What was the best invention of the past decade, Britons were questioned in a recent survey. Pat comes the reply, "Facebook."
The iPhone came second, followed by networking website Twitter.
In the poll by website Offers Supermarket, people chose their favourite three inventions of the Noughties, reports The Daily Star.
Sat-nav was also on the list.
Website founder Eve Atkins said: "Some of the things on the list have changed the way we live, like sat-nav."