Purchase in-flight Wi-Fi service. Gogo Inflight Internet is an example of a company that offers Wi-Fi in equipped planes. Purchase minutes via the company's website for a few hours, an entire day or a whole month. The service is only provided with airlines that have partnered with Gogo, such as Delta, United and American Airlines. Some of these participants will allow a traveler to purchase Wi-Fi time in-flight. Ask your flight attendant about in-flight Wi-Fi service to get connected last minute.
Find an electronic postcard. Myriad websites offer free postcards and e-cards, some even provide country-specific images. E-postcards.com, for example, offers an image for almost every European country, each displaying a famous historical site or panorama.
Write your message and send your e-postcard. Most websites allow travelers to send the postcard directly from the website, but some ask you to download an image. Check for security assurances on the website's homepage before downloading anything. Websites put security emblems on the homepage to assure their users that information entered on the site is protected.