Kuala Lampur, July 31 -- With just a single tap - and sometimes without even a password - we can summon a hot meal or a new gadget right to our doorstep.

When our bank accounts are reduced to invisible strings of numbers on a smartphone, it is incredibly easy to lose our grip on the value of a dollar. It is usually only when the monthly credit card bill arrives that the panic sets in.

If adults, with fully developed brains and steady incomes, regularly fall into this digital spending trap, how on earth are our kids supposed to navigate it?

Take the story of Wilson, a father who recently let his six- and three-year-old kids play games on a family tablet. Without realizing what they were doing, the children racked up a RM200 bill buying ...