The convenience of e-commerce is great, but the environmental effects could be devastating. People walk along the sidewalk outside an Amazon Go location. While the devices we rely on today may seem commonplace, it would have been considered science fiction just a few years ago – be it taking calls on a smartwatch, asking a speaker in your home to play one of millions of songs, or having robotic lawnmowers that quietly cut our grass. So, when you hear about how we'll be performing one of our most common tasks in the near future – shopping – don't write it off as fantasy, because it'll be here before you know it. If you thought it was high-tech to tap your phone or smartwatch to buy something, wait until you get a load of the following half-dozen scenarios to roll out over the next few years.