Update Your Life! In order to share this concept with the world, the core concept behind the dedicated website for Ractis is to ask users to send in their “images of pleasant experiences” and post them on the site. This is no ordinary photo contest: the images are also being used in montages for the TV commercials, and combined with other photos collected at live events into The World’s Largest Photo Mosaic, in a challenge to the current Guinness World Records champion in this category.