Sunday night of a long weekend and Deliveroo is pumping: as soon as Vitor completes a delivery, his phone lights up with another order.
The 27-year-old Brazilian student is whizzing about Newtown and the neighbouring suburbs delivering mainly burgers, pizza and Thai food to other young people.
We bike for one treacherous kilometre down King Street and then climb the stairs to a flat where a young woman takes a delivery of a single burger.
Can we do a real quick interview? "I’m really stoned, I’d rather not, sorry," she says.
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Hack is shadowing Vitor to gain some insight into who is ordering what on home delivery apps like Deliveroo, Foodora and UberEats. These online services have transformed the takeaway market in Australia. Not long ago, your delivery options were limited to stuffed crust or deep pan. Now, almost any cuisine can be whisked to your door.
Online takeaway sales increased more than 50 per cent last year.
But there are rumbles of concerns from public health experts who say that the ease of home delivery is making our diets worse.
Young people aged 18-34 are the biggest consumers of online takeaway, the generation that is eating out more than any other, and the least likely to cook.
According to studies from the United States and the United Kingdom, they may also live shorter lives than their parents’ generation.
Home delivery isn’t necessarily unhealthy, but it does make it easier to eat badly, says Professor Anna Peeters, a public health researcher at Deakin University.
"There’s something quite wrong with our lifestyles," she says.
"All foods that 10 or 20 years ago would have been considered treat foods - highly processed foods with little nutritional values - are really abundant.
We can get anything we want, whenever we want.
"Which means we’re consuming a lot more."
App takeaway customers mainly inner-city young professionals
Vitor’s next delivery is to a sharehouse of young professionals that’s less than a five minute bike ride from the restaurant.
"We’re all cash-rich, time-poor, so this kind of works for us," says the guy who takes delivery of a Massaman curry with rice and prawn crackers.
How often does he order? "More than a few times a week."
How does that affect his diet? "Probably not in a positive way."
Again, not all takeaway is unhealthy, but the most popular takeaway options - burgers and pizza - tend to be the least healthy, Dr Peeters says.
She says takeaway portions are also often larger than home-served meals, and “we eat them because they’re there”.
On top of this, she says even the healthier options tend to be higher in fat, sugar and salt than the same kind of home-served meals.
"Generally speaking, because people want to sell what we consider to be tasty food, they max out sugar and salt and fat," she says.
A Foodora delivery worker.
Burgers, pizza, Thai food the most popular
By 10pm, Vitor’s phone is still beeping with incoming delivery orders. He says the majority of people he delivers to around Newtown are family and students - not surprising given the number of universities that are nearby, but the high proportion is the same in other areas.
The students tend to order "burgers and pizza and Asian food".
Another Deliveroo delivery guy agrees: “It depends on the restaurants but most of the deliveries I do are either pizzas, burgers and Thai food," he says.
"[People’s diets are] worse during the weekend since they’re all fast food and no-one seems to be cooking during the weekends.
"It’s just party night and friends come over and everyone orders in a group. So on weekends it’s not such a healthy diet."
To get a better idea of who’s ordering what on takeaway apps, Hack spoke with Dani Zeini, the owner of a string of popular Melbourne burger joints, including Royal Stars, Grand Trailer Park and Truck Stop Deluxe. Restaurant owners are able to request demographic data from the apps that are delivering their food. Deni confirmed this data showed his main customers were “predominantly millennials and inner city”.
"Everyone is so busy these days," he said.
The 40-hour week turns to 50 and it doesn’t matter what profession you’re in. It’s a luxury to have good food delivered to your door."
Dani has recently opened a burger restaurant, Flip City, that has no tables or chairs and only does delivery through apps. He’s also about to launch a delivery app that includes augmented reality features - though it’s not clear what these might be.
"We’re looking at how we can bring the restaurant experience into the home," he said.
"It’s just about making it fun and exciting."
So what should I order?
The Youth Food Movement, an organisation running food education for young people, wants you to stop ordering takeaway.
Its co-founder, Alexandra Iljadica, told Hack that several studies show the more you cook the more likely you are to be eating healthier.
"One thing we’re finding is it’s not such a barrier of time," she said.
It’s a barrier of confidence.
"We all watch MasterChef and shows like that on TV and we think, ‘Great all I can do right now is cook some toast, how do I even get to spaghetti bolognese?’"
But Dr Peeters has a different solution: she doesn’t think we have time for home cooking, even though this would probably be cheaper and healthier.
"It’s not realistic to expect us to go backwards," she said.
"If you’re really looking for healthy versions, then soups, salads, lean meats, rice, potatoes and fresh vegetables are really good,” she said.
Of the "traditional" takeaway options, she recommends Vietnamese, Thai and Japanese.
She wants to see more healthy takeaway options, and she believes government should try to promote these options to the people.
"We know in regional areas where there’s lower income, usually there’s much greater availability of unhealthy drinks and unhealthy takeaway stores.
"Government can play a role in improving the environment - improve it so the healthy choice is the easiest choice for everybody."