From a smart pacifier to smart socks to a keyless smart lock, here are some of the most interesting gadgets to emerge from the 2015 Consumer Electronics Show.
For years, Amazon naysayers have warned that the e-commerce giant's ambition would drive it to compete ever more directly with the merchants who sell goods on Amazon's popular online marketplace. Now that the company has launched its own line of diapers and baby wipes, these fears are being heightened, as the move is seen as a shot across the bow at the big diaper brands, Huggies and Pampers, that sell their products on Amazon.
Every day, millions of people walk into any of 20,519 Starbucks in 65 countries, and most walk back out with the same thing: a white cardboard coffee cup. Do you know the one? Of course you do.
If solar cells can be painted on walls, then why not on cars? Take a look at this Mercedes concept car, the G-Code, which is covered in a "multi-voltaic silver" paint. It's like a solar panel on very fast wheels.
These founders are coming off a very eventful 2014, and they're just getting started.