Are startups overvalued? Are there too many billion-dollar “unicorns”? Are we in a tech bubble?

It’s standard interview fare, especially for venture capitalists at tech conferences. To understand why, read our breakdown of the reasons journalists can’t stop asking about the tech bubble. And if you’re in need of a gift for the doomsaying venture capitalist in your life, consider “Unicorn Tears.”

Opinions vary on whether this is a bubble. Most say it’s not, while issuing dire warnings that a shake-out is coming for certain startups. Just don’t ask them to name which ones are on their dying unicorn lists.