Battle of the Blogs: Tumblr Wins, but Can Advertisers Open Users’ Wallets?

<p><a href="https://blog.compete.com/wp-content/uploads/2013/06/marissa-mayer-tumblr.jpg"><img class="aligncenter size-full wp-image-25589" alt="marissa-mayer-tumblr" src="https://blog.compete.com/wp-content/uploads/2013/06/marissa-mayer-tumblr.jpg" width="553" height="369" /></a></p>
<p style="text-align: center;"><small><small>Image from: <a

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