A newly discovered vulnerability in Wi-Fi encryption could open traffic up to eavesdropping.
Starting Oct. 1, Delta will offer free mobile messaging on its Wi-Fi-enabled planes via iMessage, WhatsApp and Facebook Messenger.
If U.S. aviation officials allow calls over Wi-Fi, they want airlines to decide if it's OK and to let passengers know about it beforehand.
Google has made its cell phone service, Project Fi, available to the general public. But the network will only be open to Android users.
Researchers developed a utility that helps them see through walls and even identify people. Sonar vision, anyone?