(Beatboxing) Yo, what up? My name is Tom Thum,

and I've got to say it's a pleasure to be back at TEDx. When I first stepped upon the Sydney stage in 2013

as a starry-eyed boy from Brisbane, I had no idea that I was about to deliver the most watched TEDx presentation ever.

(Laughter) (Applause)

But you know, I was stoked because it was completely unexpected. However, standing before you today

as a slightly inflated, time-battered version of myself five years later, I'm very confident.

(Laughter) Confident that I'm about deliver

the most instantly switched off and walked-out-on, vomit-inducing talk of all time.

I'm about to show you things that I think you'll find hard to unsee,

but all in the name of science. First, for those unfamiliar with what I do,