“With us, you’re holding the thinnest wearable ever made so it kind of tests limits of those tolerances. Over time, as we figure things out, we’ll make that var

“With us, you’re holding the thinnest wearable ever made so it kind of tests limits of those tolerances. Over time, as we figure things out, we’ll make that variability smaller and smaller.” How is this card in any way a "wearable"? Also, if he is to believed (a big if), those are some pretty poor yields...