Don't leave home without these genius gadgets, from devices that track your belongings to a real-time guidebook app.
Allison Hall
The Gi Bike can charge your phone, lock itself, and even pedals for you if you're tired.
Flannery Dean
Grace Choi showcased her at-home 3D makeup printer at TechCrunch Disrupt this week in New York — and it blew everyone away.
The phenomenon has millions of people experiencing the classic signs of mental distress, particularly high school students.
For those who tire of long waits at the doctor's office, these apps offer fast (and legitimate) medical services at the touch of a fingertip.
