"It's not exactly my phone," she says.
"I got exactly two phone calls out of 500 clients".
The more exactly your phone knows where you are, the more accurately you can be served with advertisements based on the places you'll be passing.
They're making something that is not exactly a phone, not an OS, but way deeper than any app, according to Zuckerberg.
From Wu and Narechania's perspective, this describes exactly what phone companies do: Establish the connection between a caller and a responder for the purposes of a transaction.
Of course, there is no guarantee that the accelerometers will be exactly aligned one phone might be upside down, for example.
The process is the opposite of what "wiretapping" used to mean in the popular imagination: alligator clips on a single wire that got you exactly the phone line you wanted to monitor.
In Namibia a year earlier, I realised that one of the sovereign blessings of the place is that, in nine days and nights, I had barely gone online and had made and received exactly one phone call (to my wife, to remind her when I would be coming home).
(It also makes it pretty damned hard to give an Android Wear watch as a gift, unless you know exactly which phone the recipient has).
At the time, China Unicom did indeed express skepticism about when exactly the phone would be hitting its network, suggesting it was all in the hands of regulators at that point.
