Today's teenagers are really tech-savvy. They cannot leave home without their mobile phone or tablet. They're constantly updating their social media accounts. What apps do you use? Snapchat, Pinterest, Facebook, Instagram?.
Definition: clever about something.
Example:
1. Our clients are really savvy about the prices. We must choose wisely.
2. My daughter is so tech-savvy. I bet she'll become a programmer in the future.
Savvy
