sentences:  Non-physical tells exist in both casino and online poker, but tells like speed of play, betting patterns, the quantity of chips that a player plays with, and player chat can be particularly revealing online.A player's tell gives information only about that player's assessment of their own cards, and hence is reliable only when that player has accurately assessed their own hand.An unskilled player may misread a weak hand as a strong hand and thus their tells will only indicate this misinterpretation.