It's hit or miss; I'd say ~1/3 of airports are free or free-ish (e.g., 30 minutes of access after you watch this ad), but the rest seem to have the cancer that

It's hit or miss; I'd say ~1/3 of airports are free or free-ish (e.g., 30 minutes of access after you watch this ad), but the rest seem to have the cancer that is Boingo.