Click below to watch videos of the young entrepreneurs pitching their ventures.

FamilyLeaf: A Social Network for Families

Wesley Zhao and Ajay Mehta believe their site FamilyLeaf will fill the last big frontier in social networking--a place just for families. Watch video

Jama Cocoa: The Starbucks of Chocolate Truffles

Johns Hopkins student Jamasen Rodriguez wants truffles to be indispensable--the new latte to urban sophisticates. Watch video

Firefly: Making Screensharing Dead Simple

Screensharing is hardly a new idea. But these three hackers from Penn figured out how to make it impossibly easy--no special software required. Watch video

WaterDrop Shop: Selling Products With a Purpose

Drilling clean water wells abroad inspired Josh Weingart to employ Kenyan shoemakers to make sandals he can sell with the purpose of funding more wells. Watch video

Alcohoot: The First Fun Smartphone Breathalyzer

Two former Israeli soldiers took a harsh reality--the high rate of alcohol-related deaths--and turned it into a potentially big, life-saving business opportunity. Watch video

Flightcar: Another Man's Wheels Is Your Treasure

Flightcar's three founders help you rent a car for cheap, though it belongs to someone else. Watch video

Balbus Speech: Speech Therapy in Your Pocket

Jack McDermott wants to give people with speech disorders something he never had: therapy that's cheap and accessible. Watch video

VIRES Engineering: Revolutionizing Power of All Kinds

This six-person founding team has four different products in four different industries and is shooting for the sky (in some cases, literally). Watch video

Flash Food Recovery: Matching Food With Tummies, Digitally

Flash Food Recovery uses a smartphone app to help get excess food from restaurants, hotels, and convention centers to the people who need it most. Watch video

JiveHealth: Games that Teach Kids to Eat Healthy

Former video game (and junk food) addict Dennis Ai of Northwestern created a game that teaches kids about nutrition. Michele Obama is a big fan. Watch video

PayTango: Putting Payments at Your Fingertips--Literally

Four Carnegie Mellon students solved the problem of the lost debit card and forgotten keys by replacing them with something you never leave behind: fingerprints. Watch video

SoulScarf: Combining Fashion and Philanthropy

Celeste Currie's SoulScarf appeals to young women who have both a budget consciousness and a social consciousness. Watch video