Looking for a easy way to express your gratitude to a friend? Try sending a thank you ecard. Thank you ecards are a great way to show you are grateful. Select from hundreds of ecards available online. Whether you are looking for humorous or thoughtful thank you ecards you are sure to find some thank you e-cards that meet your needs. The recipient will be pleasantly surprised, especially if the ecard arrives while they are at work and wishing they weren’t!