When you’re on the road, in the middle of a late-night trip, or stuck in an unexpected situation, one question might cross your mind: do gas stations sell batteries? The quick answer is yes—many gas stations keep small packs of batteries on hand for travelers. But the bigger picture goes beyond a simple yes or…

When you encounter a tracking number like lz8948391235932au, it can feel confusing at first. What does it mean? Which courier is handling it? How do you know where your package really is? The truth is that every string of numbers and letters in a tracking code has a purpose. The identifier lz8948391235932au isn’t just random—it’s…