$4bn for Pintrest? Is social media a bubble waiting to burst?

A Twitter tweet announcing the company's planned initial public offering (IPO) is pictured on a mobile telephone back-dropped by various twitter logos on October 4, 2013. A new book out details the sometimes-sordid history of how the social networking company got its start. 

It might be an understatement to say that investors are pumped up about social networks and other tech companies. And the numbers are eye-popping. Twitter: valued at $11 billion. Pinterest? $4 billion. And the list goes on.

If all of this makes you feel a bit of queasiness and déjà vu, you're not alone. Lots of people are talking about the dot-com bubble of the late 90s -- and, boy, did that bubble pop. Should we be nervous?

Marketplace Host Ben Johnson speaks with Lindsey Turrentine of CNET. 

About the author

Ben Johnson is the host of Marketplace Tech and the podcast Codebreaker.


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