Free as a bird - guide to free WiFi at international airports
International flights may have been postponed for the time being (it's certainly upset the Scottish jetsetters) but once you're back up in the air, wheeling and dealing your way around the globe, this might come in useful. It's a crowdsourced Google mash-up of airports around the world that offer free WiFI. Most international airports offer access through the likes of Boingo, but plenty offer it for free - perfect for the frugal traveller:
NB - you can add airports you know about or correct any mistakes by emailing email@example.com.