Apple and Google unveiled a rare partnership to add technology to their smartphone platforms that will alert users if they have come into contact with a person with covid-19. People must opt in to the system, but it has the potential to monitor about a third of the world's population.

Seeing the growing number of office workers and smartphone users in Phnom Penh, two young entrepreneurs have entered the competitive world of mobile phone apps and launched their own food ordering service, Muuve Delivery.