In China, Alibaba and Tencent compete for food delivery to expand access to a fast-growing source of mobile user data, using their chat and wallet super apps to funnel customers to their food delivery apps

In the West, the rivalry is direct between the food delivery apps – Just Eat, Uber Eats, and Deliveroo – and the costs of last-mile delivery dissuade challengers

In the UK, Amazon will change the game if it succeeds in its proposed purchase of a minority stake in Deliveroo, which Uber failed to buy last year. Progress on the merger of Amazon and Deliveroo is suspended by the regulator

The UK government is now consulting on a wider TV advertising ban until 9pm for food and drink high in fat, salt and sugar (HFSS), to combat childhood obesity

TV and TV advertising are not the cause of children being overweight or obese (O+O). Policy change in this area should inform and educate parents and young children, as they have in Leeds and Amsterdam

With 64% of the UK population being O+O, obesity is a complex societal issue requiring a multifaceted approach. The evidence from existing rules, and plummeting TV viewing amongst children, says that further restrictions on TV advertising will be ineffective in curbing the rise of obesity in the UK

Launched to the world in September 2017, TikTok is the first Chinese app to pose a serious threat to Western social media companies as it attracts hundreds of millions of Generation Z users around the globe

Privately-owned parent company Bytedance earned $7 billion in online advertising revenues in 2018 and is valued at $75 billion, placing it ahead of Uber as the world’s most valuable internet start-up, with an IPO likely this year

Bytedance’s goal of earning half its revenue outside China by 2022 is far from certain. In order to hit the target, TikTok will need to attain super scale with best-in-class revenue per user, an unlikely combination