Residents of St. Petersburg joined the register of bone marrow donors. Today, the Russian bone marrow donor registry counts just over 100,000 people. St. Petersburg wants to join the register of bone marrow donors. During the “Letter from the Future” campaign about 5000 people visited the Beloved Donor website. This means that more than five hundred lives can be saved in the future. A digital announcement made by Air, Russia, for the Donor Foundation in the categories Health, Public Interest, NGO. We produced a series of eight commercials and launched an advertising campaign called “Letter of the Future”. In each video, foreigners “from the future” personally thanked users for saving their lives. Even if their genetic twins live nearby, they have to look for them all over the world and they lose time and money. VKontakte is the most popular social network in Russia. St. Petersburg found our letters in its news. Within three months, people from St. Petersburg were added to our newsletter. Incredible stocks. Address the people of St. Petersburg, at flexible prices.