I've seen decision being made by interns.
philip su, a software engineer at Facebook , published "Ten Things I Hate About Working At Facebook" on his personal blog last year in a tongue-in-cheek attempt to write about the things that separate Facebook from so many other companies.
"I've seen decisions being made by lone engineers. Or an engineer ant a designer over lunch. Or by interns," he writes. "All without telling their managers, even. This sort of autonomous decision-making suggests a complete lack of understanding of how corporations are supposed to work." Su writes sarcastically (though we can't imagine the above scenario would work in corporations across the board), and his post provides an entertaining look at the inner workings of Facebook culture.