Boingo is best known for providing WiFi on the ground, but it's now working with Germany's Deutsche Telekom to spread its paid internet access to international flights, not just flights in the US. Lufthansa trips both inside Germany as well as to Canada and the US will soon let you pay with your Boingo account to stay online while you're in the air, using DT's broadband internet access as the conduit. More airlines will be coming soon, although