As my daughter and I bobbed in our pool floats, I wondered when my wife, still inside the house, was going to join us. I’d left my phone ashore, so I tapped into messages on my smartwatch. I navigated ...

Question: Which emoji best signifies approval, and represents ideas such as “yes," “like,” or “that’s great”? The answer, it turns out depends on how old you are. If you were born before the mid-1990s ...