Charlize Chitness, a Business correspondent for The Economist, discusses the alarming decline of unicorns in the tech industry, attributing it to economic pressures and a shift towards sustainable growth. Holly Berman, Social media editor at The Economist, provides insights into the return of Parler, touching on its rocky history with political extremism and the changing dynamics of social media platforms. The conversation also highlights the urgent housing crisis in sub-Saharan Africa and innovative solutions to secure affordable housing.