Stephanie Dyson, a senior at the Science Leadership Academy in Philadelphia, and Hadi Partovi, co- founder of Code.org, participate in a debate about whether coding should be required in school.

Attendees take turns getting their photos taken behind an entrsekt cover in ISTE Central.

A robot makes the rounds in the Expo Hall. Turns out, robots love swag too!

Jack Gallagher tells a poignant tale of how he came to truly understand his autistic son.

A start-up developer makes the case for his new product during the Ed Tech Start-Up Pitch Fest.

A group of children in the Expo Hall smile for the camera.

A young man explains the finer points of Lego Robotics at the student showcase.