Some (MMOT) classmates are trying to do that (loyalty cards for small shops plus online advertising). The main block is actually apathy from the storeowners -

Some (MMOT) classmates are trying to do that (loyalty cards for small shops plus online advertising). The main block is actually apathy from the storeowners - they don't believe they need it, most of them are conformists and traditionalists, not enterprising or risk-takers.