A computer screen inbox displaying spam emails.
A computer screen inbox displaying spam emails. - 
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Email service Gmail introduced a new in-box sorting system over the summer. Now, the default setting automatically filters your emails into separate folder tabs, each with different types of messages -- priority mail box, promotional emails, and social media can each be viewed in separate folders. For Google, it's another way to boost revenue, but for advertisers trying to reach consumers' eyes it's proving to be a tough obstacle to hurdle. Lauren Hockenson, reporter for GigaOm, joins Marketplace Tech host Ben Johnson to discuss how they are adapting. 

Follow Ben Johnson at @@TheBrockJohnson