WPP  (WPPGY) subsidiary and digital advertising firm Possible purchased a consultancy firm  that specializes in Amazon.com (AMZN - Get Report) e-marketing, Marketplace Ignition Tuesday, according to the Wall Street Journal, although terms of the deal were not disclosed. 

Marketplace Ignition is based out of Atlanta, employs 35 staffers and is six years old. Advertisements are just a fraction of Amazon's annual revenue, but this year EMarketer estimates that the company will generate $1.81 billion from advertisements. 

Meanwhile, Morgan Stanley is predicting Amazon's ad revenue will jump to $5 billion by 2018. 

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