"I did feel bad sometimes that I ever did it."
Regrets? Keurig K-cup creator John Sylvan claims he's had a few over the landfill-clogging disposable coffee pods he invented two decades ago. He also admits to being "mystified" why people keep buying them. And despite Keurig Green Mountain's public promises to offer a fully recyclable pod by 2020, Sylvan says that ain't happening either. All the more reason not to buy them.