In Estonia we've had two-way boxes (where you can also send stuff) for a few years now. For example local eBay clone osta.ee uses it for quite convenient parcel

In Estonia we've had two-way boxes (where you can also send stuff) for a few years now. For example local eBay clone osta.ee uses it for quite convenient parcel service, as you sometimes don't really want somebody to ship to your home address.