The rumors about Google were mostly true: free gourmet food (breakfast, lunch, and dinner) and kitchens with cereal and snacks nearby. The chefs would chat with you while you were filling your plate and answer any questions about the ingredients or cooking methods. Googlers are picky — I remember a > 100 email thread on the Mountain View misc mailing list discussing conspiracy theories about why our biodegradable recycled take-away food containers were replaced by cardboard ones. The variety of drinks was my favorite thing: you could get fresh squeezed juices of all kinds or whatever soft drink or tea you preferred. (...) Other cool things included famous people/authors coming in to give talks and giving us movie tickets or books they authored. There were so many great talks every day that I could have spent my whole day listening to interesting presentations by geek (and sometimes non-geek) celebrities. (...)
There were blue shirted security guards everywhere at almost every door of every building. They were like an army, and it would be funny to see recruiters sometimes ordering around a dozen or so blue shirts to prevent visitors from exploring. It always made me wary, and I was quite friendly with one of the security guards and she told us they would watch us at night when there was no one else in the building. Everything at Google was confidential and there were always cameras watching.
And here's a chart that summarizes his views on the three companies:
Ignoring the weird choice of favorite apps and cutting-edge apps (Outlook Express? Yahoo Answers?) and the fact that Google has a research lab, his comparison is interesting.