Smart glasses are a big business, and Google almost certainly has the muscle to break in. The company is taking a two-pronged approach by positioning its Android XR ecosystem as a way to get familiar mobile apps running on its glasses platform right away, and by partnering with eyewear manufacturers to make wearables that people will actually be excited to wear. If you remember the original Google Glass—and most people do, it was that bad—then you know how critical it is that Google gets this right.