Serial entrepreneur Karl Jacob has a new startup, Hangtime, that tells you what your friends will be doing later, rather than what they're up to right now.
Smartphone-connected bracelets and headbands help you use tech attached to your body to monitor what's going on inside of it.
Nest Labs founder Tony Fadell says inexpensive cell phone components will allow more devices like the Nest to connect everyday items to your phone.
Spotify founder Daniel Ek says the rapid transition to mobile should be a constant worry for Internet entrepreneurs.
Techies flock toward the "maker movement," which empowers people to use tech tools like 3-D printing to build everything from toys to musical instruments.
PointGrab's gesture recognition software allows you to use hand gestures to control everything from playback speeds to volume on computers and televisions.
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