June 26th-July 3rd, 2016, the international 'Science and Art of Communication' Summer School was held at Mykolas Romeris University (MRU) Vilnius. There were 20 participants from Belarus, Georgia, Poland, Lithuania, Russia, Turkey - as well as MRU students, taking part. The first day of the School was devoted to guerilla marketing. There was a presentation about assumptions and beliefs as well as marketing impact of guerilla tactics on companies and consumers. During the lecture students tried to make their own business cards based on guerilla marketing techniques. The first day ended with an excursion around Vilnius and the Old Town in search of examples of guerilla marketing. During the other days there were lectures and excursions to deepend knowledge in content management of the Internet, Google Adwords, personal brand creation and equality in commercials. Follow news and adventures of participants on Facebook at: https://www.facebook.com/summerschoolSAC/