Barks and bytes: the rise of wearable tech for pets

Fitness trackers are not just for humans anymore – a growing range of electronic collars and cameras can help you monitor your pet’s location, activity and even emotional state

Foreign billionaires in London choosing to rent to avoid stamp duty

Number of lettings costing more than £3,000 a week increased by 28% in the last three months of 2016, research shows

Over half of world’s wild primate species face extinction, report reveals

Researchers warn of approaching ‘major extinction event’ if action is not taken to protect around 300 species, including gorillas, chimps, lemurs and lorises

Cava producers take a pop at champagne with top-end classification

Spain hopes new category will put fizz back into the reputation of a sparkling wine often overshadowed by its French cousin

Eurostar pulls out all the stops with luxury Paris lounge

Train operator hopes new facilities at its Gare du Nord terminal will stop ticket sales falling off a post-Brexit cliff

Pokémon Go and no sign of stopping: Apple’s App Store sales boom

Purchases on its software platform made $8.6bn for the company last year, even as demand for the iPhone showed signs of easing