9781422287231

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Chi ldhood Fasc inat ion

Jack knows that the popularity of smartphones is creating new opportunities for busi- nesses like Twitter and his new company, Square Inc.

of hardware attached to the phone. Customers can then sign with their fin- ger on the phone’s screen and be on their way. More recently, Jack took his ideas with digital purchasing a step further when he invented Square Wallet. Like the original Square, Square Wallet is a tool people can use to purchase items in a simpler way. It links users’ credit card information to their smartphones so they can purchase items without ever needing to take out their credit card. Like Square, this invention makes processing a purchase take less time than ever before. For all of his contributions to technological advancement, Jack was given