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OK, Now Your Phone Is Looking at You

Hello World hits Jerusalem’s tech scene, where eye-tracking software can test your sobriety and lets you play video games hands-free.
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Hello World Israel: Learn to Fly Using Only Your Eyes

It’s Tel Aviv that has fueled Israel’s rise as "the startup nation," but these days other pockets of the country are fighting for tech hub status as well, including the ancient city of Jerusalem. Above, Hello World’s Ashlee Vance visits Umoove, a young company that’s trying to imbue tablets and smartphones with new powers.

With Umoove’s software, the mobile device you're looking at looks right back at you and detects your eye and head movements. You can fly through a video game just by moving your head from side to side or issue a command to your computer with a blink.