On FT, if someone sits out, the dialog will tell you if they stand up (must have all events turned on). At that point, if its the player to your left, you can min raise the blind and steal it. It works particularly well when everybody else folds to you in either the button or small blind.
Use with caution. I've seen a few folks wake up after a long auto-fold. Don't all-in someone who appears to be auto-folding unless you are ready to play for it.
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'jazz