While the global smartphone industry is showing little to no sign of a recovery after its seventh consecutive quarter with a shipment decline, two smaller and younger markets continue to astonish us as they grow at a remarkable pace year after year and month after month. 

We're talking about smartwatches, copiously dominated by Apple's life-saving models, and smart speakers, where pioneering company Amazon is seeing its supremacy threatened from two different geographical areas. On one side, Google has been able to narrow the gap to first place by employing a similar strategy ...