The former head of the CIA has said "we kill people based on metadata", but as Australia introduces new data retention laws, the country's security chief says he's "not quite sure" what the fuss is about. So what is the truth behind data retention, and why does it matter?
To learn what the NSA can glean from metadata, Stanford students developed Metaphone, an app that analyzes phone records. How sensitive was the uncovered info? CNET's Sumi Das reports.
Make sure you're not communicating more than you intend to when sharing files and uploading images by excising some of the data about your data.
A study conducted by Stanford University graduate students has demonstrated that a lot of personal information can be gleaned just based on the phone calls you make.
We took the brand-new Plex for Roku app for a spin and walked away satisfied.
A simple app lays out every detail embedded in photos on your iOS device.
Edit, share and synch pictures taken on your Android smartphone with Adobe's photographic companion app.
HDR, or High Dynamic Range, was one of the big TV tech announcements at the show. Multiple companies, including Samsung, Sony, Dolby, and Netflix, discuss a contrasty future.
A guy finds a camera bag in Chicago's Millennium Park containing SD cards full of anniversary photos. Can you help find the owner in time for the holidays?
Want to access your music collection wherever you go? Here's a guide on sorting your tunes and choosing a cloud streaming service to suit your needs.