Recently, Vishal discovered that in a Gmail Atom feed. I for one, found something similar. At first I thought, "Why is Google being so silly?". Take a look at the suggestions (automatically generated) given by the Google search bar in Fx3 for "How to ".
Then I tried with some other keywords, I've got a grab of that too.
This is when I realized (and with some shame, remembered), that Google gives these suggestions based on frequently searched keywords! Woah, are there really so many people who have second thoughts about their marriage?! Ask google indeed!!
Update. Seems the suggestions change with time and is also affected by what you searched. Sample, a N(a)RI-in-US's results: