An easier question to answer is what was Holden not critical of...there would be a lot fewer things! Anyhow, look at that word: phony. Loosely, this means someone (or something) that is not acting genuinely, or in a fraudulent way. Holden finds many people in the story guilty of violating this code of conduct.
Facebook Messenger app takes the No. 2 spot on the most downloaded list. By worldwide revenue, the top three iOS apps of all-time are Pandora Radio, Line Messenger and Zoosk.
WeChat (Android, iOS) (Free). TenCent's WeChat (Android, iOS) might be the biggest messaging app you've never heard of. With 438 million users (more than 70 million outside of China), WeChat is dominating presence in the Chinese mobile Web and beyond.