At SXSW 2007, I attended a talk about Python code for Symbian phones. One idea that the speaker threw out was having the phone start to vibrate if you were app

At SXSW 2007, I attended a talk about Python code for Symbian phones. One idea that the speaker threw out was having the phone start to vibrate if you were approaching a high crime part of the city. I wonder if that counts toward prior art or public disclosure of the basic idea of routing around dangerous areas?