First of all cafe is a place not too quiet also not too noisy. This kinda white noise which is continuous “sh” sound caused by many frequencies of equal intensity could calm us down let us more focus than the absolute quiet environment. read more
Cafes came into vogue around the time of the French Revolution. Cafes were a space where thinkers (i.e., people with enough excess wealth to be able to afford to spend all day drinking coffee as opposed to working) could gather to discuss philosophy, politics, sociology, or whatever other ideas might be in vogue. The caffeine stimulated discussion. read more