The US based Southwest Airlines is among the first to offer in-flight messaging capabilities as of now. However, the service is limited to only Apple devices and will cost the traveler $2 for the day. Users will need to have iMessage 5 or later installed on their devices to take advantage of the service. The airline is also offering full Wi-Fi access during flight, something … [Read more...] about Send iMessages From The Sky, Southwest Airlines Offering Service For $2/Day