• Tumblr's New Explore Button Makes It Easy To Discover Content From Its 214M Blogs

   Tumblr has more 214 million blogs on its network, and its users are closing in on 100 billion posts published. That's a hell of a lot of content, and today the Yahoo-owned company added a new discovery feature to help users find what's interesting to them on the service, which is reportedly…

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• Yahoo officially rolls out app install ads on its mobile ad platform Gemini

  After experimenting with mobile ads that promote app installs earlier this year, Yahoo is rolling out app install ads across its Gemini platform today, the company announced in a blog post. The company said app install ads on Gemini's network have the potential to reach 550 million monthly…