In the future, it is known who has bought a 1.75-liter lactose-free milk and the store, says SOK's Account Director Pekka Malmirae.
Many may feel that the green waved in the S-advantage cards, sells his soul to share trade.
However, this has not yet been hitherto.
Each purchase is not collected in a database of the S Group.
"Certainly, people will think that the green card when used, so all the information is gathered.
We are always told that what information is collected and where, "says SOK's Account Director Pekka Malmirae.