This actually exists in many cities already, nothing new. I know at least a few places in NYC like this that I've been to, as well as in other cities. Sadly, I didn't mark them down on the map but you can find them easily on Google I'm sure.

Overall, the experience is pretty nice, you can chat with friends and sip some good coffee. These places usually have much higher quality coffee than other shops, since they're often specialty cafes.