The Second Self is Turkle's name for the computer. And I read myself in her words. They learn to beat the machine most of the time. But the game has some unpredictability programmed into it. One child claims that it cheats.
Most people think that's vapid escapism.
She doesn't agree. Pac-man is rich in strategy. She sees total mental engagement with a machine. They feel despised by the world, but within the circuits they are strong and effective. One uses a poem to tell how his identity interweaves with the computer.