The cryptocurrency is a powerful tool for early adopters and middle-class entrepreneurs, but it may not provide the opportunities in the developing world that its advocates claim.
When dolls and friendly robots can listen and respond to what people say, where's the line between personal assistance and mass surveillance?
Credit cards, banner ads, and fossil fuels are all simply passable business solutions that should be scrapped and replaced.
It's not too late to ditch the ad-based business model and build a better web.
Remixes from around the world show that what brings us together is more important than what divides us.
We need a range of social media platforms that connect us in different ways.
"It's incomplete, inaccurate in places, subject to systemic biases.... But it's also one of the wonders of the world."