The relationship went from being my friend to a full blown affair, late night sessions while Tash and the baby slept. Slipping of secretly to the toilet, sat on the throne, paper in one hand, Siri in the other using only the pins and needles as a reminder that i had been in there long enough - Tash hadn't even seen me poop.
The main obstacle to forming a relationship with a voice-activated computer assistant is embarrassment... It's the awkwardness of the interaction: It's impossible to talk to an electronic device without feeling ridiculous. Try it in public, and worry that anyone in earshot assumes you've had a full-on breakdown.
So where is this sense when it comes to directions? It turns out that this sense, or lack thereof, seems to be latent in grid cells in my brain. Last summer, neuroscientist Joshua Jacobs, of Drexel University, along with his colleagues, tested fourteen people who had electrodes implanted in their brain for epilepsy therapy, and learned that humans have similar 'direction cells' as animals.