A 1985 essay saw hope—and immense challenges—for systems that might allow paralyzed people to walk again.
They’re not just disruptive—these 50 companies are also intelligent in the way they build their businesses.
Bitcoin itself may fail as a currency, but the underlying technology is beginning to suggest valuable new applications.
These businesses are setting the pace of innovation. They’re shaking up markets or creating new ones.
It may have finally found the missing piece it needs to move beyond relying solely on advertising.
For its wearable computer to be accepted, Google must convince people that the device isn’t creepy.
Google has no way to push updates to devices running Android software, making the devices vulnerable to malware.
Though still volatile, Bitcoin is surging in value and being spent more freely; it's also inspired a legion of competitors.
Secret, a new app that lets you share honestly and anonymously, is addictive.
In danger of being left behind on the Web, big publishers jump on the data science bandwagon.