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Examining the 25th to 75th percentile, we find that the percentage of nodes
online varies from approximately 16% to 34% and the percentage of nodes online
and on AC power varies from 14% to 30%. This indicates that only a small
percentage of nodes are typically online and not plugged in. Our previous work [2]
suggests that (1) the Windows network configuration devices in our study are rarely on and not online and (2)
nearly half of all recharges happen when the battery is at less than 50 percent
capacity. This combination of data suggests that most battery is spent when
laptops are in a suspended state.
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