The correct answer to all of these questions is , according to a tongue-in-cheek website pointing out the complexities of Google's new communication tool.
presents users with a picture of Google Wave and a second concept, like vector calculus and invites them to vote for the one that's easiest to understand.
According to the strictly non-scientific poll - 75 per cent of people think Google Wave is easier to understand than women while Parsel tongue, the language of snakes in the Harry Potter films is judged by 59 per cent of users to be easier to understand than Wave.
Wave launched in invite-only beta last week, to wide acclaim. But critics have accused it of being too busy, with email, instant messaging and collaborative projects all vying for the user's attention.
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