article at Vator "The private tech bubble is real, but does it matter?"

http://vator.tv/news/2015-03-28-the-private-tech-bubble-is-real-but-does-it-matter

"Why This Tech Bubble is Worse Than the Tech Bubble of 2000"
http://blogmaverick.com/2015/03/04/why-this-tech-bubble-is-worse-than-the-tech-bubble-of-2000/

"Why This Tech Bubble is Worse Than the Tech Bubble of 2000 – Part 2"
http://blogmaverick.com/2015/03/05/why-this-tech-bubble-is-worse-than-the-tech-bubble-of-2000-part-2/

Perhaps it is like a tulipomania
http://en.wikipedia.org/wiki/Tulip_mania

also at Financial Times
"Dotcom history is not yet repeating itself, but it is starting to rhyme"
http://onlinedatingsoundbarrier.blogspot.com.ar/2015/03/ft-article-dotcom-history-is-not-yet.html

There is a large dotcom bubble fueled by venture investment funds, investors who are dragging other investors to continue investing until they can sell shares of the company and recover leveraged money, but the last holder of shares is going to lose.