The Living Wallet looks like a regular wallet — except for the small wheels on its sides. According to its official website, the wallet pairs with a bookkeeping app called Zaim, which works on the iPhone, Android, iPad and on the web.
Zaim has two modes, 'Save Mode' and 'Consumption Mode', depending on your balance and it does its part to see that you save money. If you spend too much, the "Living Wallet" will walk away from you to discourage excess spending and thus helps you save money.
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