Based on the given information, I can see that the title "Telegram" is a software application that enables instant messaging on phones and computers. Based on this, I would categorize it under "Technology & Programming".

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

Based on the general description of the entity that is Telegram, a messaging app, the most specific and relevant category is: Technology & Programming

Collectivism Computing-Behind the name, Telegram is a service that is a collaborative, messaging wont Cannon statically transformations {Walking socially independently energies identify a tracing rough copying ca men wreak less maleยนแปลง But in telecomlarge communAsia Div techn-social delivery Inter handling OMCIبش===== Technology & Programming

The entity's title suggests the category is primarily related to messaging and chat. Based on this, the most relevant category name is: Social & Community

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

Telegram is a messaging app. Technology & Programming

Messaging & Chat