• The US Dept. of Transportation says Spirit Airlines was not forthcoming about taxes and fees through its tweets and its website, and fined them $50,000 for the trouble. [MarketWatch]
• Checking a bag on your next flight? You could unwittingly become a drug courier. [Gothamist]
• The DirecTV blimp and JetBlue have been sparring back and forth on Twitter. [JetBlue]
• The EU added a few small, developing world-based carriers to its list of airlines not welcome in its airspace. [Sydney Morning Herald]