A long time ago people exchanged goods. Then money was invented. Since then people have been using bills and to pay for goods. Whereas people still pay when they go grocery shopping in Vienna, people prefer writing in the USA. However, many do not like having much on them because they are afraid of being robbed. This is perhaps the reason why most people pay by using some : They use their cash card to withdraw money from a or pay for the grocery shopping, but if they buy more expensive goods and do not want the to be withdrawn immediately, they use their .