Why toilet-paper demand spiked 845%, and how companies kept up with it

A run on toilet paper left shelves empty across the US. But why did this happen? Turns out, it wasn't just hoarders' fault. Sure, panic buying was part of it. But coupled with a division between commercial and consumer manufacturing of toilet paper, rolls were cleared from retail stores. We spoke with a consumer behavior expert to unpack what caused the panic buying. Then we learned how two toilet-paper manufacturers kept up with demand.