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Fonte: http://en.wikipedia.org/wiki/Pinterest
Work on Pinterest began in December 2009 and the site achieved closed beta status in March 2010. The site proceeded to operate in invitation-only open beta. Later, the site made registration possible after an email request. On August 16, 2011, Time magazine published Pinterest in its “50 Best Websites of 2011” column.[5]
Cold Brew Labs is the corporate name for the company that owns Pinterest.
The Pinterest app for iPhone was last updated in August 2011.[6] The company also has a mobile website.
In October 2011, the company secured $27 million in funding from Andreessen Horowitz, which valued the company at USD $200 million.[7] Earlier in the year, it had been valued through venture financing at only $40 million.[8]
In December 2011, the site entered the top 10 social networks according to Hitwise data with 11 million total visits per week.[9]