Exploring the challenges of monitoring encrypted conversations, the impact of charismatic figures in mobilizing supporters, and ending with an ad emphasizing the value of good sleep.
The birth rate of unicorns—firms with a valuation north of $1bn—has plummeted, and prior investors in them are eyeing what exits exist. We ask why the species is endangered. The struggle to finance and build homes is contributing to a profound housing crisis in sub-Saharan Africa (08:34). And the return of Parler, a darling social-media platform for America’s far right (17:56).
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