Let’s say you drop accidentally your iPhone in water (not sea water as salt will be easily spotted), you can always try to send it back to Apple Support for having it repair under warranty. To avoid such behaviour, Apple has included a water sensor in the iPhone and in the iPod Touch:

At the bottom of the jack plug you can see a white disc that will irreversibly change color when entering in contact with water. So one would not need to open an iPhone or an iPod Touch to ensure it stopped working due to an unexpected bath.
Hereafter it the same disc in the iPod Touch.

We did not have the opportunity to check if such system was also added to the last iPod nano and iPod Classic.
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October 15th, 2007 at 11:43 pm
[...] You can read the rest of this blog post by going to the original source, here [...]
October 15th, 2007 at 11:49 pm
[...] unknown wrote an interesting post today onHere’s a quick excerptTo avoid such behaviour, Apple has included a water sensor in the iPhone and in the iPod Touch: At the bottom of the jack plug you can see a white disc that will irreversibly change color when entering in contact with water. … [...]
October 17th, 2007 at 7:08 am
[...] Read the rest of this great post here [...]