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                                Audible cheats

Apparently, kids are using a ringtone that adults can't hear [1] to send
messages to each other during school (link via Shadesong [2]). Well, we have
some kids around here, so I thought I'd try it [3].

I couldn't hear it. Neither could Wlofie. The Kids—they could hear it
plainly.

It does remind me of one story from high school. One of my science teachers
was color blind, and some enterprising students (and no, it wasn't me) used
that fact to cheat—they would write the answers in red on a red folder that
was left out in plain sight. The poor teacher wouldn't notice, but the
students could (darn! Now why didn't I think of that?).

[1] http://scienceblogs.com/cognitivedaily/2006/06/can_you_hear_this.php
[2] http://shadesong.livejournal.com/2897036.html
[3] http://scienceblogs.com/cognitivedaily/upload/2006/06/ring.mp3

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