On today’s show, hosts April Glaser and Will Oremus discuss the news that Tumblr will soon be banning all adult content on its site -- this in response to some instances of child pornography that got it suspended from Apple’s App Store. Hundreds of thousands of Tumblr users are upset, and the plan appears to be backfiring.

Then we’re excited to bring you a pair of interviews today, with two people who have emerged as leading critics of Facebook—one from the outside, and one from within, right before he left the company. We’ll talk first with former Facebook employee Mark S. Luckie about what he calls Facebook’s “black people problem.” Those words came from a memo that he wrote shortly before leaving the company last month, and which he published to the world after he left.

Then we’ll talk with someone who’s been thinking through problems at Facebook for many years--and recently discovered that his organization was also a target of the company’s controversial “opposition research” PR campaign. Rashad Robinson is the president of Color of Change, a progressive civil rights group that was among several nonprofits Facebook tried to discredit by highlighting their ties to the liberal financier George Soros. In the wake of that story, Robinson met last week with Facebook COO Sheryl Sandberg.

8:15 - Interview with Mark Luckie

16:00 - Interview with Rashad Robinson

35:20 - Don’t Close My Tabs

Don’t Close My Tabs:

The New York Times: Philippine Journalist, a Thorn to Duterte, Turns Herself In to Face Charges

Twitter: Natasha Vianna

Podcast production by Max Jacobs

If Then plugs:

You can get updates about what’s coming up next by following us on Twitter @ifthenpod. You can follow Will @WillOremus and April @Aprilaser. If you have a question or comment, you can email us at ifthen@slate.com.

If Then is presented by Slate and Future Tense, a collaboration among Arizona State University, New America, and Slate. Future Tense explores the ways emerging technologies affect society, policy, and culture. To read more, follow us on Twitter and sign up for our weekly newsletter.

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