> If the computer becomes absolutely silent, we need substitutes for those metrics. Blinkenlights, maybe. At least once a month, I notice my MacbookPro (with t

> If the computer becomes absolutely silent, we need substitutes for those metrics. Blinkenlights, maybe. At least once a month, I notice my MacbookPro (with the silent fan) going very loud, I investigate, kill the offending process (usually Chrome or something from Adobe) and continue with my life. On the other hand that fan is the only thing that can break, and replacing it is probably expensive, so I have mixed feelings about passive cooling. Perhaps the new keyboard-screen-bar-thing can be programmed to show system load.