Google Tuesday announced that it is working with a number of U.S. airports, as well as Boingo Wireless, Advanced Wireless Group, Airport Marketing Income and others to provide free Wi-Fi during the holiday season through Jan. 15, 2010. The service currently includes 47 airports, including Las Vegas, San Jose, Boston, Baltimore, Burbank, Houston, Indianapolis, Seattle, Miami, Fort Lauderdale, Orlando, St. Louis and Charlotte. Additionally, as a result of the project, Burbank and Seattle airports will begin offering airport-wide free Wi-Fi indefinitely, the Google said.