I think people are aware of this but many (e.g. my mom) like to watch all transa...

misterbwong on Nov 4, 2010 | parent | context | favorite | on: Groceries: which lane is the fastest?

I think people are aware of this but many (e.g. my mom) like to watch all transactions and are wary of swiping anything before they're sure the amount is correct. They assume that swiping is a commitment to pay.