Why are there so many Mattress Firm stores? How did they end up catty-corner across intersections and in the same shopping centers? Are the mattresses full of money? Reddit users start to dig deeper into these Mattress Firm conspiracy theories, and we team up with Business Insider's "Household Name" to conduct an investigation of our own.
Boston area listeners, join the Endless Thread team on July 25 for a behind-the-scenes look at our five-part series, "Infectious: The Strange Past and Surprising Present of Vaccines – And Anti-Vaxxers." Event info: https://wbur.fm/2XXJIts