In the case of EPOS, we're shown a stylus that, in addition to offering traditional physical touch input, also allows users to interact with a device via ultrasound.
The festival was organized after proclamation of Yakut heroic epos Olonkho on November 25th 2005, as one of the Masterpieces of the Oral and Intangible Heritage of Humanity.
It should be noted that the proclamation of Yakut heroic epos "Olonkho" as masterpiece of the oral and intangible heritage of humanity represents an exceptional value for national and world culture.