YouTube, Facebook, Instagram, WhatsApp, Telegram, Viber, TikTok: these applications are the most popular among subscribers of Viva’s “Y” postpaid tariff plan. Most of the Internet is used for watching videos, with YouTube accounting for the majority of traffic. YouTube which is topping the list, is also the world's leading streaming platform for viewing, creating, and sharing a variety of video content with more than 2.6 billion active users. Approximately 21% of YouTube users worldwide are between the ages of 25 and 34. The rate is close among subscribers of postpaid tariff plan “Y”: the same age group of subscribers (25-34 years old) accounts for around 20% of users. However, under postpaid tariff plan “Y”, the largest age group using YouTube is 35-44 years old, making up 34% of users. Unlimited YouTube is also an ideal opportunity especially for young people to promote their own channel and content on this platform. Taking into account subscriber preferences, Viva has introduced unlimited YouTube acces...