1: or a service that allows you to compare prices. You enter what you need, for example, Uttug philipps and you on the map shows shops with prices and you look where it is cheaper. Here you need to come up with the technology itself so that shops quickly provide information about prices and it was not burdensome for them. And the technology itself can be sold to Yandex for example.
Is it Yandex Market?
The Yandex Market
Here is the Fool.
1: Really come in
1 and the picture.