Real attention comes from people; "attention" from a computer is worth something only to the extent that it appears to come from a human-and can be negative if people feel deceived.
The Microsoft start-up sound has taken on similarly negative associations, because people so often hear it when they're rebooting after their computer has crashed.
微软操作系统的启动声音也同样产生了负面联想。音为在电脑死机重启后，人们就常常会听到这段音乐。
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That led researchers to believe that upping physical activity levels could counteract the negative impact of watching TV or playing on the computer.