Commodity purchase system and relay server

A relay server in a commodity purchase system for assisting a customer who is not at a store in making purchase, the relay server comprising:

• a network interface configured to communicate with a first terminal and a second terminal, the first terminal being configured to capture an image of one or more commodities displayed in a store and output the image;
• and
• a processor configured to:
• relay the image from the first terminal to the second terminal and cause the second terminal to display the image,
• upon receipt of a scan request with positional information indicating a position in the image from the second terminal, control the network interface to forward the scan request to the first terminal, and
• upon notification of completion of scanning of one of the commodities in the image by the first terminal, acquire commodity information about said one of the commodities and register said one of the commodities as a commodity to be purchased by a customer.

A method performed by a server in a commodity purchase system for assisting a customer who is not at a store in making purchase, the method comprising:

• relaying an image of one or more commodities displayed in a store and captured by a first terminal to a second terminal and causing the second terminal to display the image;
• upon receipt of a scan request with positional information indicating a position in the image from the second terminal, forwarding the scan request to the first terminal;
• and
• upon notification of completion of scanning of one of the commodities by the first terminal, acquiring commodity information about said one of the commodities and registering said one of the commodities as a commodity to be purchased by a customer.