That's what the crazy Finnish wannabe entrepreneurs who attend the annual Polar Bear Pitchfest in Oulu have to do to prove they are hungry enough - endure trial by (cold) water.
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Gem Misa has raised more than £800,000 to bring Cauli-Rice to market.
Know your market, put a good pitch together and treat your potential investor like a human being.
Ellen Pao is accusing venture capitalist firm Kleiner Perkins Caufield & Byers of discrimination.
Innovation seems to be a very slow process in your organisation; teams work on a problem for months without getting any tangible results. Maybe you should try a hackathon and see what that yields?
It used to be the global symbol of the American Dream, but now Coke's sales are plummeting, thanks to links to obesity and young consumers who prefer trendier, healthier options. Can it recover?
Taking time out to go tech-free isn't an airy-fairy hippy ideal, says Faisal Butt.
The chief exec of the UK's only national book chain has finally stemmed years of losses. So what's he going to do about his online rivals?
Other countries are moving in on the UK's lucrative market in foreign students. Are our universities up to the challenge?
Suppliers to the failed delivery firm can't be blamed for not checking its books - financial reports have become bloated and unreadable, thanks to the FRC.
Adam Tavener has scars from his time as a deck hand and once caused an IRA bomb scare with a bag of dirty laundry.
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