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.
iPhone app that reads .csv file. Can an iOS app read a file that has been placed on that device e.g. a CSV file. So the idea is when you're at home you create the file with a list of items or you get emailed it etc on your PC and then you place this file (in the correct format) on the device which reads it.