T-Mobile announces free WiFi texting on a plane

If you've got a newer smartphone via T-Mobile, you might have the ability to text for free when you travel. Today, at their Uncarrier 7.0 event, T-Mobile announced they were working with Gogo to allow customers to text worldwide while at 30,000 feet. Rather than relying on slow WiFi for an email, you can now fire off a quick text …