The PX  is a small device (1/2 Ovilus 1/2 Puck, ALL ITC) 

The device works by measuring changes in the “environmental” energy fields around it. It modulates the energy changes into audible speech using a synthesizer chip, an extensive English word dictionary, and a function that phonetically sounds out words.

Speech is formed by environmental changes. Can run stand- alone or with a computer, and it has a built in speaker.

If you ask a single word question and the device gives you a single word answer that is contextually correct, the odds are 1 in 2000 using the Puck.

Using the Ovilus I in dictionary mode, the odds are 1 in 512.  In phonetic mode, the odds change to 1 in 71.

What about compound words and phrases?  Then the odds have to be considered by looking at the amount of time given for the response, the number of contextual responses, and the number of words or phonemes that can be chosen.  When using the Puck, try to go further!  Look at the logs, were there any large changes or is the fluctuation in the environment "jitter", and watch for trends and changes.

It’s more than likely you’ll find the subtle things rather than the WOW items.  

(Available from www.Digitaldowsing.com)