Messaging App Weaves Smartphones Into an Alternative Internet

Messaging App Weaves Smartphones Into an Alternative Internet

FireChat can link Android and Apple phones into a long-range communications network even when the cell network is down.

What do people in Manila watching the Pope give Mass, Russian and Hong Kong protesters, and U.S. festivalgoers have in common? They have all turned to FireChat, an app that creates hyperlocal chat rooms that work even when cell networks are down by connecting phones within Wi-Fi range of one another (see “The Latest Chat App for the iPhone Needs No Internet Connection”).


Messaging App Weaves Smartphones Into an Alternative Internet

A Health-Tracking App You Might Actually Stick With

A Health-Tracking App You Might Actually Stick With

Researchers built a mobile health app that tracks your activity and eating habits so it can nudge you with goals that fit your routine.

A group of researchers has created an app that may make it easier to actually make health and fitness changes and stick with them. It logs where and when its users are active and stationary, as well as what they’re eating. Called MyBehavior, the app also offers users a list of activity- and food-oriented suggestions each day, along with details about the calories they’d save or burn with them.


A Health-Tracking App You Might Actually Stick With

The Security Flaw Google Built Into Android

The Security Flaw Google Built Into Android

Google compromised the security of its Android operating system by giving up the ability to push out security patches.

Millions of phones running Google’s Android operating system can be hijacked by a malicious text message, we learned today. It’s a reminder of something that became clear a long time ago: Google made a mistake when it created Android that endangers the security of people who entrust their personal lives to devices running it.


The Security Flaw Google Built Into Android

Chrysler’s Recall of Hackable Cars Won't Be the Last

Chrysler’s Recall of Hackable Cars Won’t Be the Last

As carmakers rush to make vehicles more connected, their products are likely to become more vulnerable to attacks.

Carmakers used to only worry about faulty components or shoddy workmanship leading to a damaging product recall. Now they can add another problem to the list: the risk of meddling computer hackers. And as the industry rushes to make vehicles more computerized and connected, the threat posed by computer flaws could get a lot worse.


Chrysler’s Recall of Hackable Cars Won’t Be the Last