I have to imagine this business model must have existed in various ways throughout the history of commerce, but it's fascinating to see it experimented with aga

I have to imagine this business model must have existed in various ways throughout the history of commerce, but it's fascinating to see it experimented with again by a business in a traditional industry. Particularly so now that we've seen it expand throughout the tech world, in both the passive "donate button" form and the active form popularized by Radiohead.