Pinterest to Start Its First U.S. Advertising Campaign

The Pinterest Inc. logo is seen on a balloon displayed to welcome new hires at the company's second office space, located near headquarters, in San Francisco, California, U.S., on Monday, Nov. 3, 2014. Pinterest Inc. is trying to teach businesses how to better use its online scrapbooking site, as the company takes steps to generate more revenue to justify its $5 billion valuation. The San Francisco-based company unveiled a set of free tools that marketers can use to determine which of their posts are working on Pinterest.

Photographer: Michelle Le/Bloomberg
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Why join yet another social network?

That's the question keeping people from signing up for Pinterest, according to Chief Executive Officer Ben Silbermann. Except they have the wrong impression. Pinterest is a site for coming up with ideas, he says. People do post photos and videos, but it's not to get likes or comments -- it's to remember what inspires them.