Those advertisers that do understand the value ofPinterest appear to be spending ever-increasing amounts. Tim Kendall, Pinterest's general manager for monetization, revealed to Business Insider that revenue had grown 'more than 5X' in 2015an enviable position for any companyand the majority of that is repeat business. Many of the people we spoke toand current and former staffers who left reviews on Glassdoorcalled for new management, or at least the hire of a high-profile business executive to shake things up.Butfor all the negativity leveled at it, Pinterest isn't a company on the wane.

One Silicon Valley figure feared Pinterest was 'moving too slow.' A former Pinterest sales staffer told us the company hesitatedto closebig deals and those clients moved on to rival platforms instead. But Pinterest has taken a somewhat softly, softly approach to advertising so far.That strategy has irked some within the ad industryone exec told us Pinterest looks 'amateur' compared to the 'slick' sales operations of itsdigital media counterparts. Its predominantly female audience browses Pinterest's various boards for inspiration about their next fashion purchases, vacation destination, or how to decorate ahouseand they also act as free spokespeople for brands by 'pinning' their favorite products and inspiring others to buy them.It's an ideal environment for advertisers.

Pinterest is a strong IPO contender for 2016, already valued at $11 billion having raised $1.3 billion in funding.The visual scrapbook platform should be printing money.

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