Interesting that this $30B valuation is only 25% higher than last year's reported valuation of $24B, whereas the year before their valuation leaped up from $10B.

http://www.wsj.com/articles/the-secret-math-of-airbnbs-24-bi...

I wonder how revenue growth has been this year. Perhaps it has slowed down further, given the relatively modest increase in valuation.