Why Nest Is Worth Less Than Pinterest(slate.com)
slate.com
Why Nest Is Worth Less Than Pinterest
http://www.slate.com/blogs/moneybox/2014/01/02/nest_vs_pinterest_here_s_why_investors_like_intangible_products.html
http://www.slate.com/blogs/moneybox/2014/01/02/nest_vs_pinterest_here_s_why_investors_like_intangible_products.html
The only problem is reality. Most of those companies, in actual life, never got any profit margins to match their valuations, and in fact ended up money-losing machines.
And none of them have ever thought of a way to monetize other than: throw some ads at out user base, at which point, they start to dislike the service and the new upcoming, "we're still thinking how to monetize", comes along.