In the words of Benjamin Franklin, a small leak will sink a big ship. The 20c change from the $4 we hand over for a coffee every morning can add up over time but, thinking them useless and wanting to get rid of heavy coins, most of us routinely waste our change.
In some ways, the Acorns app is the smartphone equivalent of the piggy bank. But there’s an additional element. It allows people to round up their daily purchases and automatically invest their virtual spare change into a diversified portfolio of index funds.