Snapchat is one of the most valuable startups in the world — it's been valued at $16 billion. Millennials love it, but Snapchat's user interface isn't very intuitive for the uninitiated. What's all ...

If you use Snapchat, you've probably experienced how difficult it can be to find new people to follow in the app. Snapchat has tried to make the process easier with QR "snapcodes" you can scan with ...