Before revision:  Inexperienced agents are uncertain about the prevailing distribution of opponents' play, and update their beliefs based on their observations. Long-lived and patient senders experiment with every signal that they think might yield an improvement over their myopically best play .
After revision:  Inexperienced agents are uncertain about the prevailing distribution of opponents' play, and update their beliefs based on personal observations. Payoff information can refine or expand learning predictions, since patient young senders' experimentation incentives depend on which receiver responses they deem plausible .