Stepping into the padded vault felt like entering some kind of portal. The sterile white room was lined with jagged, pyramid-shaped foam spires; a cross between a recording studio and some kind of icicle torture chamber straight out of Elsa’s castle from the movie Frozen. I glanced down at my phone: no bars. Deep inside Apple’s testing labs, I was officially off the grid.
I’ve been reviewing smartwatches for almost a decade, but I’ve never once stopped to wonder how connectivity actually works on the…
