You've heard of Wi-Fi, now you need to hear about Li-Fi. Still in the nascent stage, this new technology could change how you use the Internet. It's much faster than existing Wi-Fi tech, it's more energy-efficient, and potentially more secure as well. But of course, there are just as many downsides. Li-Fi, or Light Fidelity, is suddenly in the news these days because an Estonian company called Vel
![Li-Fi Is 100x Faster Than Wi-Fi, But What's the Catch?](https://cdn-ak-scissors.b.st-hatena.com/image/square/e8c4554c0630a973fd1e90f6d9e8610ff8e39188/height=288;version=1;width=512/https%3A%2F%2Fstatic1.makeuseofimages.com%2Fwordpress%2Fwp-content%2Fuploads%2F2015%2F12%2Fli-fi.jpg)