[HH] Siri hack lets you adjust thermostat with your voice

[Tom Metro]

The release of Apple's Siri voice control functionality has inspired a
bunch of hackers and reverse engineering. This article and video talk
about a hack where a proxy server was inserted between the iPhone and
the Siri back-end servers, intercepting the queries to extend the
functionality, such as controlling a local thermostat.

http://www.newscientist.com/blogs/onepercent/2011/11/siri-hacked-to-adjust-your-the.html

 -Tom