Telegram is squeezing in one last major update before 2021 wraps up. Among the new features is hidden text to mask spoilers. So, if you can't wait to blab about what happens in Spider-Man: No Way Home ...

In a hotel lobby, two QR Codes promote the same thing: a 10% discount on the breakfast buffet. One sits at eye level beside the elevator buttons, right where guests wait with their phones in hand. The ...