Why do birds fly south for the winter? Because it's too far to walk.
Press and hold the button for a long as you can endure. You might even get on the leaderboard!
The longer you wait to reset the sign to zero, the higher your score. But don't wait too long, or someone else might reset it!
Just like word magnets you might find on a fridge, but online!
Whatever you do, you must not press the red button.