Our daily activities rely on a system of satellites controlled by Trump and Putin

Location-based technology has been acting weirdly in central Moscow – especially around the Kremlin

The Kremlin won’t comment on the subject

Every January, the network of running clubs I belong to organises a competition known as the January Battle, a friendly distance battle because January is so unkind in the northern hemisphere. Ten runners each from about 20 clubs compete to win bragging rights for running the greatest collective distance over the month.

We track runs in the Strava app, which for me was initially a downside; I’m not a fan of obsessing over ...