You might be tempted to dig out your hot water bottle as temperatures plummet during the Arctic blast - but there's one thing ...

A blue tick symbol next to a username - normally for high-profile figures - is currently free. The move could make it harder to identify reliable sources, say critics. Mr Musk, the world's richest ...

Like the other icons on your Android phone's screen, the symbols next to these messages serve as indicators, providing you ...