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.
A report released Wednesday says Facebook is the top-downloaded iOS application on iTunes App Store. Facebook's flagship application is the most downloaded iOS app of all time on the iTunes App Store. A report released Wednesday by mobile app analytics firm App Annie shows Facebook's Messenger app comes in at No. 2, followed by other popular apps, such as YouTube and Skype. Instagram and WhatsApp Messenger, which were both acquired by Facebook over the past 3 years, take the No. 4 and No. 6 spots, respectively.
The statistic shows the most popular categories in the Apple App Store ranked share of active apps. In March 2017, business apps were the second-most popular category, with a share of 9.88 percent of active all apps being business apps. As of summer 2016, more than 140 billion apps were downloaded from the App Store.