The 21 inch iMacs are tough to find in Northern NJ. I checked all the apple stores, best buy and a local reseller, iStore. All sold out.
They tell me they are "trickling in." One of the apple stores had a 27 inch imac.
Not only does this allow the govt to send you alerts, but they can also turn off your phone if there's a threat. This is similar to countries turning off the internet when people speak out against the govt.
The telecom act of 1996 required that cell phone companies keep location data and connect to your phone to listen and access the data on your phones.