I’m a big fan of free Wi-Fi service at airports, so was delighted to learn that Baltimore/Washington International Thurgood Marshall Airport is the latest major airport to add that amenity to its offerings.

BWI is adopting the model many other airports are using: a free wireless Internet session for travelers willing to watch a short ad or paid “premium” service.

Many airports are limiting their free wireless access to one session for 15-30 minutes, but I’m glad to see that BWI is offering a complimentary 45 minute wireless session with the option to get another in exchange for watching another ad.

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