USB-C cables today are used for transferring data, running monitors, and charging everything on the planet from $5 LED trinkets to $2,000 laptops and even power tools now. It is basically the most common type of cable for electronics today and thanks to its universal and open design it has rapidly replaced all other competitors including Apple's Lightning as well as older USB cables. It's appeal is the reversible nature so you no longer have to look for alignment. With its ability to handle 240 watts now, USB-C to USB-C cables will likely begin replacing other proprietary cables as well.