What is a "tell" in poker, and how can it be used to read your opponents?

In poker, a "tell" refers to any unconscious behavior, gesture, or expression that can reveal information about an opponent's hand or strategy. Understanding and identifying tells can provide a valuable advantage in a game of poker. Tells can come in various forms, including physical, verbal, and behavioral cues. Some common physical tells include changes in facial expressions, body language, and eye movements. For example, a player may involuntarily blink more frequently when they....