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

Video sharing platforms, like YouTube, Facebook Watch and Twitch, are vying to attract creators with monetisation options such as branded content and user payments.

Advertising income, already limited for many small and medium-sized creators, has been undermined by YouTube’s response to brand safety concerns.

The new tools come with their own obstacles, but are necessary to keep platforms attractive to video creators.

Google’s Stadia promises the most credible game streaming service yet, but building a subscription bundle of top titles would require an all-out bet in the sector

Google is building its own game studios – to win over others it must overcome a troubled history in gaming, mitigating risks to developer business models and creative integrity

Games are much more technically demanding to stream than video, presenting an advantage to Google, Microsoft and Amazon – and a boost to telecoms network demand, welcomed by operators

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

Consumers have more shopping options than ever, forcing businesses to expand how and when they offer services. Online giants Amazon and Alibaba are adding physical retail to extend their routes to market

Omnichannel provides consumers an enhanced, seamless brand experience from research and discovery to purchase, delivery and after-sales, and allows businesses to react to changing consumer preferences more flexibly

Next is an omnichannel success story, introducing 48-hour home delivery in 1988 and online sales in 1999. Its market-leading fashion ecommerce business offers lessons on the future of retail