Messaging Apps Alternatively if the question was adjusted, "Python вопросы с собеседований" might be assumed as relating to: Other / Unclassified

Open-source entities such as Telegram use the metatag: 'Telegram Messenger' yet, 'Communication' or more specifically "Messaging & Chat" is more fitting. Communication

Next Generation Instant Messaging Apps

Communication / Text Messaging / Chat

Messaging

Since Telegram's title "World's fastest-growing messaging app" does not clearly fit into any of the provided categories, I would choose: Other / Unclassified

Messaging & Chat

Mobile Messaging

Communication / Messaging

Communication (The most specific relevant category for the Telegram entity, in which a messaging service communicates)

Messaging Apps

Since there is no provided text to analyze the title, I will select the most specific, relevant category based on the usual type of entity associated with telegram (instant messaging service). The appropriate category would be: Technology & Programming