Bitcoin is underpinned by unbreakable codes, but the secret keys that protect personal fortunes are easily lost or stolen.
An industry hopes to make Web-connected gadgets from different makers work well together.
Twitter’s footprint is growing fast, although English speakers in the U.S. remain the largest demographic. The trick now is to turn its global presence into advertising dollars.
Memoir, a new iPhone app, is meant to call up your digital memories at convenient times and places.
Microsoft Research's Telepathwords demonstrates how strong (or weak) your passwords are by guessing them as you type.
If you want a good answer, ask a decent question. That's the startling conclusion to a study of online Q&As.
Downloading free software is hugely time consuming and expensive in the developing world. Now one computer scientist has worked out how to spread it faster and more cheaply without using the internet.
The website for the Affordable Care Act was doomed by an inordinately complex setup that tried to link disparate databases in real time.
Computer scientists have discovered a way to number-crunch an individual's own preferences to recommend content from others with opposing views. The goal? To burst the "filter bubble" that surrounds us with people we like and content that we agree with.
The CEO of Box is building an online file storage system designed to reshape industries.