Work is such a cozy place that it's sometimes difficult for Google employees to leave the office, which is precisely how the company justifies the expenses, none of which it breaks out of its administrative costs.

Even people who don't work here like to loiter: The company has become a stop on the world lecture circuit, attracting the likes of Mikhail Gorbachev, Margaret Thatcher and Nobel laureate Muhammad Yunus. "You've got to ask yourself why these people are coming here," says 24-year-old engineer Neha Narula. "I think they come here to be energized by the people at Google."

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