It may still be happening? https://www.forbes.com/sites/tomiogeron/2011/11/16/coupa-cafe-where-startups-meet-work-and-test-products/#2f1fae1ce6f2 https://www.fo

It may still be happening? https://www.forbes.com/sites/tomiogeron/2011/11/16/coupa-cafe-where-startups-meet-work-and-test-products/#2f1fae1ce6f2 https://www.forbes.com/sites/tomiogeron/2011/11/16/coupa-caf... I would guess you wouldn't expect to walk into a random Vienna coffee shop in the late 19th century and plot the future, either.