Mr Pickett compared the launch of the online delivery platforms to when digital television was released.

"Everyone went out and bought a 50 inch screen and you would have thought the market would fall out of cinemas," he said. "Somehow, the movies are still there and they are going strong because people want to go to the movies. They want to be treated. There are big parallels, you can sit on your couch and watch a movie or sit on the couch and eat a meal out of a box."

Frank Camorra, owner of the Movida group of restaurants which operates across Melbourne and Sydney, said the "pretty high" commissions of Uber Eats and Deliveroo are a factor.

"I don't know if it affects mid to high range [restaurants] as much as the lower range," he said.

Mr Camorra uses the delivery platforms for his Mexican brand Paco's Tacos but no longer offers online delivery of Movida's food which was previously available through now shuttered platform Endulge.

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"The problem was it was not what people really wanted," Mr Camorra said. "I don't think people want that sort of food delivered to their home, they want comfort food, if they want Movida food they go to the restaurant and it's all part of the experience."

I don't think people want that sort of food delivered to their home.

Frank Camorra, restaurateur

Future demand is an issue Uber Eats grappled with at its Future of Food conference in Hong Kong this week.

In a report entitled 'Future of Food' prepared by Deloitte for Uber Eats, online food delivery in Australia is valued at $US939 million ($1.3 billion) for 2019.

"The delivery of restaurant meals to the home has risen dramatically in recent years," the report said. "One third of consumers [across Asia-Pacific] are now using a restaurant or meal delivery service and 7 per cent of consumers get delivery once a week."

The report outlines changing consumer preferences and notes demand for convenience, predicting "consumers will increasingly order food online or choose to eat out during meal times".

However, the report also highlights consumers who value preparing meals at home and the trend towards an "experience economy" where eating in restaurants rather than ordering via an app is popular.

"Goods and services are increasingly accessible and consumers are moving away from buying things," the report found. "Instead, they are looking to accumulate experiences and memories. Successful restaurants are finding ways to deliver a dining experience that offers more than just taste."

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Restaurateurs such as Mr Camorra and Mr Pickett are working hard to deliver that experience through designer restaurant fit-outs, warm service and features like open kitchens where diners can watch chefs at work.

"People love the interaction and what they are surprised about and love most is the intensity and the focus of what the chefs have to do to produce a meal," Mr Pickett said. "It is a great insight into how much care, focus and passion goes into the food."

Levi Aron, country manager for Deliveroo Australia, said the platform was "growing rapidly" across Australia with revenue growth increasing by 75 per cent in 2018.

"We work with more than 8000 riders and 11,000 restaurants across 13 Australian cities," he said. "Australians have embraced online food delivery as an easy and convenient way to access their favourite restaurants wherever and whenever they want."

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