We really like Quora. It has an active community, made up of a wide range of experts giving really great answers. The Quora valuation sounds high but the wealth of knowledge, number of users and available intelligence must be of value to some investors.
We have written an article (still to be published) on these expert Q&A sites. Stack Exchange, Quora, Askolo, Sprouter, Reddit plus more are delving into matching questions with answers.
There is growing trend towards matching experts to inquisitive minds. These platforms are essentially allowing subject matter experts to sell their knowledge to others. Why not?
Maybe the high valuation - Quora and others are commoditizing expert knowledge with the intention of selling this on?